Home / 730,314.39-1,007,815.26-408,026.90

Finding the Fourth Proportional to 730,314.39, 1,007,815.26 and 408,026.90

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Solution

The fourth proportional to 730,314.39, 1,007,815.26 and 408,026.90 is: 563,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,314.39 : 1,007,815.26 = 408,026.90 : x
  2. Step 2: Convert to fraction form
    730,314.39/1,007,815.26 = 408,026.90/x
  3. Step 3: Cross multiply
    730,314.39x = 1,007,815.26 × 408,026.90
  4. Step 4: Simplify right side
    730,314.39x = 411,215,736,310.49
  5. Step 5: Solve for x
    x = 411,215,736,310.49/730,314.39
  6. Step 6: Final answer
    x = 563,066.73

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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.