Home / 730,471.65-1,008,031.53-408,184.40

Finding the Fourth Proportional to 730,471.65, 1,008,031.53 and 408,184.40

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Solution

The fourth proportional to 730,471.65, 1,008,031.53 and 408,184.40 is: 563,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,471.65 : 1,008,031.53 = 408,184.40 : x
  2. Step 2: Convert to fraction form
    730,471.65/1,008,031.53 = 408,184.40/x
  3. Step 3: Cross multiply
    730,471.65x = 1,008,031.53 × 408,184.40
  4. Step 4: Simplify right side
    730,471.65x = 411,462,740,213.97
  5. Step 5: Solve for x
    x = 411,462,740,213.97/730,471.65
  6. Step 6: Final answer
    x = 563,283.65

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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.