Home / 856,144.12-1,181,488.80-474,177.28

Finding the Fourth Proportional to 856,144.12, 1,181,488.80 and 474,177.28

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Solution

The fourth proportional to 856,144.12, 1,181,488.80 and 474,177.28 is: 654,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,144.12 : 1,181,488.80 = 474,177.28 : x
  2. Step 2: Convert to fraction form
    856,144.12/1,181,488.80 = 474,177.28/x
  3. Step 3: Cross multiply
    856,144.12x = 1,181,488.80 × 474,177.28
  4. Step 4: Simplify right side
    856,144.12x = 560,235,145,534.46
  5. Step 5: Solve for x
    x = 560,235,145,534.46/856,144.12
  6. Step 6: Final answer
    x = 654,370.14

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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.