Home / 759,800.80-1,139,701.20-724,808.80

Finding the Fourth Proportional to 759,800.80, 1,139,701.20 and 724,808.80

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Solution

The fourth proportional to 759,800.80, 1,139,701.20 and 724,808.80 is: 1,087,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,800.80 : 1,139,701.20 = 724,808.80 : x
  2. Step 2: Convert to fraction form
    759,800.80/1,139,701.20 = 724,808.80/x
  3. Step 3: Cross multiply
    759,800.80x = 1,139,701.20 × 724,808.80
  4. Step 4: Simplify right side
    759,800.80x = 826,065,459,130.56
  5. Step 5: Solve for x
    x = 826,065,459,130.56/759,800.80
  6. Step 6: Final answer
    x = 1,087,213.20

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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.