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Finding the Fourth Proportional to 650,259.20, 975,388.80 and 555,780.80

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Solution

The fourth proportional to 650,259.20, 975,388.80 and 555,780.80 is: 833,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,259.20 : 975,388.80 = 555,780.80 : x
  2. Step 2: Convert to fraction form
    650,259.20/975,388.80 = 555,780.80/x
  3. Step 3: Cross multiply
    650,259.20x = 975,388.80 × 555,780.80
  4. Step 4: Simplify right side
    650,259.20x = 542,102,367,575.04
  5. Step 5: Solve for x
    x = 542,102,367,575.04/650,259.20
  6. Step 6: Final answer
    x = 833,671.20

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Similar ratio
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1.5x scale

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.