Home / 942,156.55-1,412,379.57-342,693.91

Finding the Fourth Proportional to 942,156.55, 1,412,379.57 and 342,693.91

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Solution

The fourth proportional to 942,156.55, 1,412,379.57 and 342,693.91 is: 513,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,156.55 : 1,412,379.57 = 342,693.91 : x
  2. Step 2: Convert to fraction form
    942,156.55/1,412,379.57 = 342,693.91/x
  3. Step 3: Cross multiply
    942,156.55x = 1,412,379.57 × 342,693.91
  4. Step 4: Simplify right side
    942,156.55x = 484,013,877,247.42
  5. Step 5: Solve for x
    x = 484,013,877,247.42/942,156.55
  6. Step 6: Final answer
    x = 513,729.78

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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.