Home / 722,545.60-1,082,781.60-531,515.20

Finding the Fourth Proportional to 722,545.60, 1,082,781.60 and 531,515.20

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Solution

The fourth proportional to 722,545.60, 1,082,781.60 and 531,515.20 is: 796,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,545.60 : 1,082,781.60 = 531,515.20 : x
  2. Step 2: Convert to fraction form
    722,545.60/1,082,781.60 = 531,515.20/x
  3. Step 3: Cross multiply
    722,545.60x = 1,082,781.60 × 531,515.20
  4. Step 4: Simplify right side
    722,545.60x = 575,514,878,680.32
  5. Step 5: Solve for x
    x = 575,514,878,680.32/722,545.60
  6. Step 6: Final answer
    x = 796,510.11

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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.