Home / 730,423.34-1,007,989.26-408,147.02

Finding the Fourth Proportional to 730,423.34, 1,007,989.26 and 408,147.02

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Solution

The fourth proportional to 730,423.34, 1,007,989.26 and 408,147.02 is: 563,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,423.34 : 1,007,989.26 = 408,147.02 : x
  2. Step 2: Convert to fraction form
    730,423.34/1,007,989.26 = 408,147.02/x
  3. Step 3: Cross multiply
    730,423.34x = 1,007,989.26 × 408,147.02
  4. Step 4: Simplify right side
    730,423.34x = 411,407,812,661.01
  5. Step 5: Solve for x
    x = 411,407,812,661.01/730,423.34
  6. Step 6: Final answer
    x = 563,245.71

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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.