Home / 708,377.36-977,532.24-386,080.64

Finding the Fourth Proportional to 708,377.36, 977,532.24 and 386,080.64

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Solution

The fourth proportional to 708,377.36, 977,532.24 and 386,080.64 is: 532,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,377.36 : 977,532.24 = 386,080.64 : x
  2. Step 2: Convert to fraction form
    708,377.36/977,532.24 = 386,080.64/x
  3. Step 3: Cross multiply
    708,377.36x = 977,532.24 × 386,080.64
  4. Step 4: Simplify right side
    708,377.36x = 377,406,272,839.83
  5. Step 5: Solve for x
    x = 377,406,272,839.83/708,377.36
  6. Step 6: Final answer
    x = 532,775.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.