Home / 730,574.48-1,008,189.42-408,284.40

Finding the Fourth Proportional to 730,574.48, 1,008,189.42 and 408,284.40

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Solution

The fourth proportional to 730,574.48, 1,008,189.42 and 408,284.40 is: 563,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,574.48 : 1,008,189.42 = 408,284.40 : x
  2. Step 2: Convert to fraction form
    730,574.48/1,008,189.42 = 408,284.40/x
  3. Step 3: Cross multiply
    730,574.48x = 1,008,189.42 × 408,284.40
  4. Step 4: Simplify right side
    730,574.48x = 411,628,012,431.05
  5. Step 5: Solve for x
    x = 411,628,012,431.05/730,574.48
  6. Step 6: Final answer
    x = 563,430.59

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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.