Home / 710,769.28-1,065,497.82-355,474.12

Finding the Fourth Proportional to 710,769.28, 1,065,497.82 and 355,474.12

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Solution

The fourth proportional to 710,769.28, 1,065,497.82 and 355,474.12 is: 532,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,769.28 : 1,065,497.82 = 355,474.12 : x
  2. Step 2: Convert to fraction form
    710,769.28/1,065,497.82 = 355,474.12/x
  3. Step 3: Cross multiply
    710,769.28x = 1,065,497.82 × 355,474.12
  4. Step 4: Simplify right side
    710,769.28x = 378,756,899,926.42
  5. Step 5: Solve for x
    x = 378,756,899,926.42/710,769.28
  6. Step 6: Final answer
    x = 532,883.05

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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.