Home / 987,938.37-1,363,337.16-558,209.27

Finding the Fourth Proportional to 987,938.37, 1,363,337.16 and 558,209.27

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Solution

The fourth proportional to 987,938.37, 1,363,337.16 and 558,209.27 is: 770,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,938.37 : 1,363,337.16 = 558,209.27 : x
  2. Step 2: Convert to fraction form
    987,938.37/1,363,337.16 = 558,209.27/x
  3. Step 3: Cross multiply
    987,938.37x = 1,363,337.16 × 558,209.27
  4. Step 4: Simplify right side
    987,938.37x = 761,027,442,162.53
  5. Step 5: Solve for x
    x = 761,027,442,162.53/987,938.37
  6. Step 6: Final answer
    x = 770,318.74

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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.