Home / 773,742.80-1,160,614.20-680,430.80

Finding the Fourth Proportional to 773,742.80, 1,160,614.20 and 680,430.80

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Solution

The fourth proportional to 773,742.80, 1,160,614.20 and 680,430.80 is: 1,020,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,742.80 : 1,160,614.20 = 680,430.80 : x
  2. Step 2: Convert to fraction form
    773,742.80/1,160,614.20 = 680,430.80/x
  3. Step 3: Cross multiply
    773,742.80x = 1,160,614.20 × 680,430.80
  4. Step 4: Simplify right side
    773,742.80x = 789,717,648,597.36
  5. Step 5: Solve for x
    x = 789,717,648,597.36/773,742.80
  6. Step 6: Final answer
    x = 1,020,646.20

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Double scale
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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.