Home / 730,388.04-1,007,916.68-408,100.80

Finding the Fourth Proportional to 730,388.04, 1,007,916.68 and 408,100.80

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Solution

The fourth proportional to 730,388.04, 1,007,916.68 and 408,100.80 is: 563,168.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,388.04 : 1,007,916.68 = 408,100.80 : x
  2. Step 2: Convert to fraction form
    730,388.04/1,007,916.68 = 408,100.80/x
  3. Step 3: Cross multiply
    730,388.04x = 1,007,916.68 × 408,100.80
  4. Step 4: Simplify right side
    730,388.04x = 411,331,603,441.34
  5. Step 5: Solve for x
    x = 411,331,603,441.34/730,388.04
  6. Step 6: Final answer
    x = 563,168.59

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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.