Home / 853,789.48-1,178,191.14-471,808

Finding the Fourth Proportional to 853,789.48, 1,178,191.14 and 471,808

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Solution

The fourth proportional to 853,789.48, 1,178,191.14 and 471,808 is: 651,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,789.48 : 1,178,191.14 = 471,808 : x
  2. Step 2: Convert to fraction form
    853,789.48/1,178,191.14 = 471,808/x
  3. Step 3: Cross multiply
    853,789.48x = 1,178,191.14 × 471,808
  4. Step 4: Simplify right side
    853,789.48x = 555,880,005,381.12
  5. Step 5: Solve for x
    x = 555,880,005,381.12/853,789.48
  6. Step 6: Final answer
    x = 651,073.85

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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.