Home / 711,247.04-981,610.79-466,437.78

Finding the Fourth Proportional to 711,247.04, 981,610.79 and 466,437.78

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Solution

The fourth proportional to 711,247.04, 981,610.79 and 466,437.78 is: 643,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,247.04 : 981,610.79 = 466,437.78 : x
  2. Step 2: Convert to fraction form
    711,247.04/981,610.79 = 466,437.78/x
  3. Step 3: Cross multiply
    711,247.04x = 981,610.79 × 466,437.78
  4. Step 4: Simplify right side
    711,247.04x = 457,860,355,379.46
  5. Step 5: Solve for x
    x = 457,860,355,379.46/711,247.04
  6. Step 6: Final answer
    x = 643,743.08

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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.