Home / 938,545.29-1,407,817.89-432,956.67

Finding the Fourth Proportional to 938,545.29, 1,407,817.89 and 432,956.67

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Solution

The fourth proportional to 938,545.29, 1,407,817.89 and 432,956.67 is: 649,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,545.29 : 1,407,817.89 = 432,956.67 : x
  2. Step 2: Convert to fraction form
    938,545.29/1,407,817.89 = 432,956.67/x
  3. Step 3: Cross multiply
    938,545.29x = 1,407,817.89 × 432,956.67
  4. Step 4: Simplify right side
    938,545.29x = 609,524,145,620.83
  5. Step 5: Solve for x
    x = 609,524,145,620.83/938,545.29
  6. Step 6: Final answer
    x = 649,434.98

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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.