Home / 672,248.80-1,007,144.40-546,911.20

Finding the Fourth Proportional to 672,248.80, 1,007,144.40 and 546,911.20

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Solution

The fourth proportional to 672,248.80, 1,007,144.40 and 546,911.20 is: 819,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,248.80 : 1,007,144.40 = 546,911.20 : x
  2. Step 2: Convert to fraction form
    672,248.80/1,007,144.40 = 546,911.20/x
  3. Step 3: Cross multiply
    672,248.80x = 1,007,144.40 × 546,911.20
  4. Step 4: Simplify right side
    672,248.80x = 550,818,552,377.28
  5. Step 5: Solve for x
    x = 550,818,552,377.28/672,248.80
  6. Step 6: Final answer
    x = 819,367.10

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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.