Home / 854,594.10-1,282,085.55-499,425.30

Finding the Fourth Proportional to 854,594.10, 1,282,085.55 and 499,425.30

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Solution

The fourth proportional to 854,594.10, 1,282,085.55 and 499,425.30 is: 749,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,594.10 : 1,282,085.55 = 499,425.30 : x
  2. Step 2: Convert to fraction form
    854,594.10/1,282,085.55 = 499,425.30/x
  3. Step 3: Cross multiply
    854,594.10x = 1,282,085.55 × 499,425.30
  4. Step 4: Simplify right side
    854,594.10x = 640,305,960,434.42
  5. Step 5: Solve for x
    x = 640,305,960,434.42/854,594.10
  6. Step 6: Final answer
    x = 749,251.56

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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.