Home / 744,005.60-1,116,008.40-520,056.80

Finding the Fourth Proportional to 744,005.60, 1,116,008.40 and 520,056.80

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Solution

The fourth proportional to 744,005.60, 1,116,008.40 and 520,056.80 is: 780,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,005.60 : 1,116,008.40 = 520,056.80 : x
  2. Step 2: Convert to fraction form
    744,005.60/1,116,008.40 = 520,056.80/x
  3. Step 3: Cross multiply
    744,005.60x = 1,116,008.40 × 520,056.80
  4. Step 4: Simplify right side
    744,005.60x = 580,387,757,277.12
  5. Step 5: Solve for x
    x = 580,387,757,277.12/744,005.60
  6. Step 6: Final answer
    x = 780,085.20

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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.