Home / 816,974.55-1,127,345.85-472,741.83

Finding the Fourth Proportional to 816,974.55, 1,127,345.85 and 472,741.83

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Solution

The fourth proportional to 816,974.55, 1,127,345.85 and 472,741.83 is: 652,338.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,974.55 : 1,127,345.85 = 472,741.83 : x
  2. Step 2: Convert to fraction form
    816,974.55/1,127,345.85 = 472,741.83/x
  3. Step 3: Cross multiply
    816,974.55x = 1,127,345.85 × 472,741.83
  4. Step 4: Simplify right side
    816,974.55x = 532,943,540,171.91
  5. Step 5: Solve for x
    x = 532,943,540,171.91/816,974.55
  6. Step 6: Final answer
    x = 652,338.00

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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.