Home / 803,545.86-1,108,812.48-481,247.66

Finding the Fourth Proportional to 803,545.86, 1,108,812.48 and 481,247.66

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Solution

The fourth proportional to 803,545.86, 1,108,812.48 and 481,247.66 is: 664,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,545.86 : 1,108,812.48 = 481,247.66 : x
  2. Step 2: Convert to fraction form
    803,545.86/1,108,812.48 = 481,247.66/x
  3. Step 3: Cross multiply
    803,545.86x = 1,108,812.48 × 481,247.66
  4. Step 4: Simplify right side
    803,545.86x = 533,613,411,378.80
  5. Step 5: Solve for x
    x = 533,613,411,378.80/803,545.86
  6. Step 6: Final answer
    x = 664,073.38

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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.