Home / 694,545.80-1,041,818.70-479,928.20

Finding the Fourth Proportional to 694,545.80, 1,041,818.70 and 479,928.20

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Solution

The fourth proportional to 694,545.80, 1,041,818.70 and 479,928.20 is: 719,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,545.80 : 1,041,818.70 = 479,928.20 : x
  2. Step 2: Convert to fraction form
    694,545.80/1,041,818.70 = 479,928.20/x
  3. Step 3: Cross multiply
    694,545.80x = 1,041,818.70 × 479,928.20
  4. Step 4: Simplify right side
    694,545.80x = 499,998,173,417.34
  5. Step 5: Solve for x
    x = 499,998,173,417.34/694,545.80
  6. Step 6: Final answer
    x = 719,892.30

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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.