Home / 502,132.72-692,977.08-275,780.56

Finding the Fourth Proportional to 502,132.72, 692,977.08 and 275,780.56

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Solution

The fourth proportional to 502,132.72, 692,977.08 and 275,780.56 is: 380,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,132.72 : 692,977.08 = 275,780.56 : x
  2. Step 2: Convert to fraction form
    502,132.72/692,977.08 = 275,780.56/x
  3. Step 3: Cross multiply
    502,132.72x = 692,977.08 × 275,780.56
  4. Step 4: Simplify right side
    502,132.72x = 191,109,607,189.57
  5. Step 5: Solve for x
    x = 191,109,607,189.57/502,132.72
  6. Step 6: Final answer
    x = 380,595.81

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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.