Home / 985,141.65-1,477,253.17-511,699.89

Finding the Fourth Proportional to 985,141.65, 1,477,253.17 and 511,699.89

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Solution

The fourth proportional to 985,141.65, 1,477,253.17 and 511,699.89 is: 767,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,141.65 : 1,477,253.17 = 511,699.89 : x
  2. Step 2: Convert to fraction form
    985,141.65/1,477,253.17 = 511,699.89/x
  3. Step 3: Cross multiply
    985,141.65x = 1,477,253.17 × 511,699.89
  4. Step 4: Simplify right side
    985,141.65x = 755,910,284,591.15
  5. Step 5: Solve for x
    x = 755,910,284,591.15/985,141.65
  6. Step 6: Final answer
    x = 767,311.26

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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.