Home / 987,899.19-1,363,298.90-535,191.27

Finding the Fourth Proportional to 987,899.19, 1,363,298.90 and 535,191.27

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Solution

The fourth proportional to 987,899.19, 1,363,298.90 and 535,191.27 is: 738,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,899.19 : 1,363,298.90 = 535,191.27 : x
  2. Step 2: Convert to fraction form
    987,899.19/1,363,298.90 = 535,191.27/x
  3. Step 3: Cross multiply
    987,899.19x = 1,363,298.90 × 535,191.27
  4. Step 4: Simplify right side
    987,899.19x = 729,625,667,004.65
  5. Step 5: Solve for x
    x = 729,625,667,004.65/987,899.19
  6. Step 6: Final answer
    x = 738,562.88

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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.