Home / 730,312.71-1,007,812.93-408,025.23

Finding the Fourth Proportional to 730,312.71, 1,007,812.93 and 408,025.23

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Solution

The fourth proportional to 730,312.71, 1,007,812.93 and 408,025.23 is: 563,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,312.71 : 1,007,812.93 = 408,025.23 : x
  2. Step 2: Convert to fraction form
    730,312.71/1,007,812.93 = 408,025.23/x
  3. Step 3: Cross multiply
    730,312.71x = 1,007,812.93 × 408,025.23
  4. Step 4: Simplify right side
    730,312.71x = 411,213,097,521.16
  5. Step 5: Solve for x
    x = 411,213,097,521.16/730,312.71
  6. Step 6: Final answer
    x = 563,064.42

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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.