Home / 699,615.66-1,049,423.50-386,065.47

Finding the Fourth Proportional to 699,615.66, 1,049,423.50 and 386,065.47

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Solution

The fourth proportional to 699,615.66, 1,049,423.50 and 386,065.47 is: 579,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,615.66 : 1,049,423.50 = 386,065.47 : x
  2. Step 2: Convert to fraction form
    699,615.66/1,049,423.50 = 386,065.47/x
  3. Step 3: Cross multiply
    699,615.66x = 1,049,423.50 × 386,065.47
  4. Step 4: Simplify right side
    699,615.66x = 405,146,181,174.47
  5. Step 5: Solve for x
    x = 405,146,181,174.47/699,615.66
  6. Step 6: Final answer
    x = 579,098.21

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Similar ratio
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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.