Home / 773,345.28-1,159,649.76-317,865.36

Finding the Fourth Proportional to 773,345.28, 1,159,649.76 and 317,865.36

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Solution

The fourth proportional to 773,345.28, 1,159,649.76 and 317,865.36 is: 476,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,345.28 : 1,159,649.76 = 317,865.36 : x
  2. Step 2: Convert to fraction form
    773,345.28/1,159,649.76 = 317,865.36/x
  3. Step 3: Cross multiply
    773,345.28x = 1,159,649.76 × 317,865.36
  4. Step 4: Simplify right side
    773,345.28x = 368,612,488,436.31
  5. Step 5: Solve for x
    x = 368,612,488,436.31/773,345.28
  6. Step 6: Final answer
    x = 476,646.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.