Home / 730,561.54-1,008,178.64-408,277.02

Finding the Fourth Proportional to 730,561.54, 1,008,178.64 and 408,277.02

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Solution

The fourth proportional to 730,561.54, 1,008,178.64 and 408,277.02 is: 563,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,561.54 : 1,008,178.64 = 408,277.02 : x
  2. Step 2: Convert to fraction form
    730,561.54/1,008,178.64 = 408,277.02/x
  3. Step 3: Cross multiply
    730,561.54x = 1,008,178.64 × 408,277.02
  4. Step 4: Simplify right side
    730,561.54x = 411,616,170,766.85
  5. Step 5: Solve for x
    x = 411,616,170,766.85/730,561.54
  6. Step 6: Final answer
    x = 563,424.36

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Double scale
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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.