Home / 852,642.50-1,176,605.28-485,085.02

Finding the Fourth Proportional to 852,642.50, 1,176,605.28 and 485,085.02

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Solution

The fourth proportional to 852,642.50, 1,176,605.28 and 485,085.02 is: 669,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,642.50 : 1,176,605.28 = 485,085.02 : x
  2. Step 2: Convert to fraction form
    852,642.50/1,176,605.28 = 485,085.02/x
  3. Step 3: Cross multiply
    852,642.50x = 1,176,605.28 × 485,085.02
  4. Step 4: Simplify right side
    852,642.50x = 570,753,595,780.91
  5. Step 5: Solve for x
    x = 570,753,595,780.91/852,642.50
  6. Step 6: Final answer
    x = 669,393.79

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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.