Home / 758,327.80-1,136,616.78-284,711.08

Finding the Fourth Proportional to 758,327.80, 1,136,616.78 and 284,711.08

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Solution

The fourth proportional to 758,327.80, 1,136,616.78 and 284,711.08 is: 426,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,327.80 : 1,136,616.78 = 284,711.08 : x
  2. Step 2: Convert to fraction form
    758,327.80/1,136,616.78 = 284,711.08/x
  3. Step 3: Cross multiply
    758,327.80x = 1,136,616.78 × 284,711.08
  4. Step 4: Simplify right side
    758,327.80x = 323,607,390,979.92
  5. Step 5: Solve for x
    x = 323,607,390,979.92/758,327.80
  6. Step 6: Final answer
    x = 426,738.13

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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.