Home / 389,273.20-583,909.80-373,721.20

Finding the Fourth Proportional to 389,273.20, 583,909.80 and 373,721.20

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Solution

The fourth proportional to 389,273.20, 583,909.80 and 373,721.20 is: 560,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,273.20 : 583,909.80 = 373,721.20 : x
  2. Step 2: Convert to fraction form
    389,273.20/583,909.80 = 373,721.20/x
  3. Step 3: Cross multiply
    389,273.20x = 583,909.80 × 373,721.20
  4. Step 4: Simplify right side
    389,273.20x = 218,219,471,147.76
  5. Step 5: Solve for x
    x = 218,219,471,147.76/389,273.20
  6. Step 6: Final answer
    x = 560,581.80

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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.