Home / 730,404.36-1,007,955.90-408,114.70

Finding the Fourth Proportional to 730,404.36, 1,007,955.90 and 408,114.70

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Solution

The fourth proportional to 730,404.36, 1,007,955.90 and 408,114.70 is: 563,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,404.36 : 1,007,955.90 = 408,114.70 : x
  2. Step 2: Convert to fraction form
    730,404.36/1,007,955.90 = 408,114.70/x
  3. Step 3: Cross multiply
    730,404.36x = 1,007,955.90 × 408,114.70
  4. Step 4: Simplify right side
    730,404.36x = 411,361,619,741.73
  5. Step 5: Solve for x
    x = 411,361,619,741.73/730,404.36
  6. Step 6: Final answer
    x = 563,197.10

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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.