Home / 730,558.71-1,008,174.75-408,274.19

Finding the Fourth Proportional to 730,558.71, 1,008,174.75 and 408,274.19

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Solution

The fourth proportional to 730,558.71, 1,008,174.75 and 408,274.19 is: 563,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,558.71 : 1,008,174.75 = 408,274.19 : x
  2. Step 2: Convert to fraction form
    730,558.71/1,008,174.75 = 408,274.19/x
  3. Step 3: Cross multiply
    730,558.71x = 1,008,174.75 × 408,274.19
  4. Step 4: Simplify right side
    730,558.71x = 411,611,728,940.00
  5. Step 5: Solve for x
    x = 411,611,728,940.00/730,558.71
  6. Step 6: Final answer
    x = 563,420.47

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.