Home / 711,177.50-1,066,737.69-391,962.17

Finding the Fourth Proportional to 711,177.50, 1,066,737.69 and 391,962.17

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Solution

The fourth proportional to 711,177.50, 1,066,737.69 and 391,962.17 is: 587,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,177.50 : 1,066,737.69 = 391,962.17 : x
  2. Step 2: Convert to fraction form
    711,177.50/1,066,737.69 = 391,962.17/x
  3. Step 3: Cross multiply
    711,177.50x = 1,066,737.69 × 391,962.17
  4. Step 4: Simplify right side
    711,177.50x = 418,120,814,459.50
  5. Step 5: Solve for x
    x = 418,120,814,459.50/711,177.50
  6. Step 6: Final answer
    x = 587,927.51

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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.