Home / 689,616.20-1,034,424.30-479,664.20

Finding the Fourth Proportional to 689,616.20, 1,034,424.30 and 479,664.20

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Solution

The fourth proportional to 689,616.20, 1,034,424.30 and 479,664.20 is: 719,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,616.20 : 1,034,424.30 = 479,664.20 : x
  2. Step 2: Convert to fraction form
    689,616.20/1,034,424.30 = 479,664.20/x
  3. Step 3: Cross multiply
    689,616.20x = 1,034,424.30 × 479,664.20
  4. Step 4: Simplify right side
    689,616.20x = 496,176,304,320.06
  5. Step 5: Solve for x
    x = 496,176,304,320.06/689,616.20
  6. Step 6: Final answer
    x = 719,496.30

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1.5x scale

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.