Home / 804,989.60-1,207,484.40-539,568.80

Finding the Fourth Proportional to 804,989.60, 1,207,484.40 and 539,568.80

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Solution

The fourth proportional to 804,989.60, 1,207,484.40 and 539,568.80 is: 809,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,989.60 : 1,207,484.40 = 539,568.80 : x
  2. Step 2: Convert to fraction form
    804,989.60/1,207,484.40 = 539,568.80/x
  3. Step 3: Cross multiply
    804,989.60x = 1,207,484.40 × 539,568.80
  4. Step 4: Simplify right side
    804,989.60x = 651,520,908,726.72
  5. Step 5: Solve for x
    x = 651,520,908,726.72/804,989.60
  6. Step 6: Final answer
    x = 809,353.20

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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.