Home / 769,237.50-1,061,545.12-425,063.84

Finding the Fourth Proportional to 769,237.50, 1,061,545.12 and 425,063.84

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Solution

The fourth proportional to 769,237.50, 1,061,545.12 and 425,063.84 is: 586,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,237.50 : 1,061,545.12 = 425,063.84 : x
  2. Step 2: Convert to fraction form
    769,237.50/1,061,545.12 = 425,063.84/x
  3. Step 3: Cross multiply
    769,237.50x = 1,061,545.12 × 425,063.84
  4. Step 4: Simplify right side
    769,237.50x = 451,224,445,040.46
  5. Step 5: Solve for x
    x = 451,224,445,040.46/769,237.50
  6. Step 6: Final answer
    x = 586,586.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.