Home / 730,312.65-1,007,812.85-408,025.17

Finding the Fourth Proportional to 730,312.65, 1,007,812.85 and 408,025.17

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Solution

The fourth proportional to 730,312.65, 1,007,812.85 and 408,025.17 is: 563,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,312.65 : 1,007,812.85 = 408,025.17 : x
  2. Step 2: Convert to fraction form
    730,312.65/1,007,812.85 = 408,025.17/x
  3. Step 3: Cross multiply
    730,312.65x = 1,007,812.85 × 408,025.17
  4. Step 4: Simplify right side
    730,312.65x = 411,213,007,409.31
  5. Step 5: Solve for x
    x = 411,213,007,409.31/730,312.65
  6. Step 6: Final answer
    x = 563,064.34

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Double scale
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Similar ratio
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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.