Home / 779,829.60-1,169,744.40-479,335.80

Finding the Fourth Proportional to 779,829.60, 1,169,744.40 and 479,335.80

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Solution

The fourth proportional to 779,829.60, 1,169,744.40 and 479,335.80 is: 719,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,829.60 : 1,169,744.40 = 479,335.80 : x
  2. Step 2: Convert to fraction form
    779,829.60/1,169,744.40 = 479,335.80/x
  3. Step 3: Cross multiply
    779,829.60x = 1,169,744.40 × 479,335.80
  4. Step 4: Simplify right side
    779,829.60x = 560,700,367,769.52
  5. Step 5: Solve for x
    x = 560,700,367,769.52/779,829.60
  6. Step 6: Final answer
    x = 719,003.70

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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.