Home / 520,962.24-781,435.16-165,973.87

Finding the Fourth Proportional to 520,962.24, 781,435.16 and 165,973.87

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Solution

The fourth proportional to 520,962.24, 781,435.16 and 165,973.87 is: 248,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,962.24 : 781,435.16 = 165,973.87 : x
  2. Step 2: Convert to fraction form
    520,962.24/781,435.16 = 165,973.87/x
  3. Step 3: Cross multiply
    520,962.24x = 781,435.16 × 165,973.87
  4. Step 4: Simplify right side
    520,962.24x = 129,697,817,659.27
  5. Step 5: Solve for x
    x = 129,697,817,659.27/520,962.24
  6. Step 6: Final answer
    x = 248,958.19

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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.