Home / 546,511.92-819,764.08-420,376.76

Finding the Fourth Proportional to 546,511.92, 819,764.08 and 420,376.76

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Solution

The fourth proportional to 546,511.92, 819,764.08 and 420,376.76 is: 630,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,511.92 : 819,764.08 = 420,376.76 : x
  2. Step 2: Convert to fraction form
    546,511.92/819,764.08 = 420,376.76/x
  3. Step 3: Cross multiply
    546,511.92x = 819,764.08 × 420,376.76
  4. Step 4: Simplify right side
    546,511.92x = 344,609,767,914.78
  5. Step 5: Solve for x
    x = 344,609,767,914.78/546,511.92
  6. Step 6: Final answer
    x = 630,562.22

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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.