Home / 723,316.04-1,085,323.98-442,680.20

Finding the Fourth Proportional to 723,316.04, 1,085,323.98 and 442,680.20

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Solution

The fourth proportional to 723,316.04, 1,085,323.98 and 442,680.20 is: 664,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,316.04 : 1,085,323.98 = 442,680.20 : x
  2. Step 2: Convert to fraction form
    723,316.04/1,085,323.98 = 442,680.20/x
  3. Step 3: Cross multiply
    723,316.04x = 1,085,323.98 × 442,680.20
  4. Step 4: Simplify right side
    723,316.04x = 480,451,436,531.20
  5. Step 5: Solve for x
    x = 480,451,436,531.20/723,316.04
  6. Step 6: Final answer
    x = 664,234.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.