Home / 755,576.80-1,133,365.20-516,428.35

Finding the Fourth Proportional to 755,576.80, 1,133,365.20 and 516,428.35

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Solution

The fourth proportional to 755,576.80, 1,133,365.20 and 516,428.35 is: 774,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,576.80 : 1,133,365.20 = 516,428.35 : x
  2. Step 2: Convert to fraction form
    755,576.80/1,133,365.20 = 516,428.35/x
  3. Step 3: Cross multiply
    755,576.80x = 1,133,365.20 × 516,428.35
  4. Step 4: Simplify right side
    755,576.80x = 585,301,920,183.42
  5. Step 5: Solve for x
    x = 585,301,920,183.42/755,576.80
  6. Step 6: Final answer
    x = 774,642.53

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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.