Home / 730,309.64-1,007,808.71-408,022.16

Finding the Fourth Proportional to 730,309.64, 1,007,808.71 and 408,022.16

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Solution

The fourth proportional to 730,309.64, 1,007,808.71 and 408,022.16 is: 563,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,309.64 : 1,007,808.71 = 408,022.16 : x
  2. Step 2: Convert to fraction form
    730,309.64/1,007,808.71 = 408,022.16/x
  3. Step 3: Cross multiply
    730,309.64x = 1,007,808.71 × 408,022.16
  4. Step 4: Simplify right side
    730,309.64x = 411,208,279,641.86
  5. Step 5: Solve for x
    x = 411,208,279,641.86/730,309.64
  6. Step 6: Final answer
    x = 563,060.18

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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.