Home / 708,326.27-977,461.75-386,029.43

Finding the Fourth Proportional to 708,326.27, 977,461.75 and 386,029.43

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Solution

The fourth proportional to 708,326.27, 977,461.75 and 386,029.43 is: 532,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,326.27 : 977,461.75 = 386,029.43 : x
  2. Step 2: Convert to fraction form
    708,326.27/977,461.75 = 386,029.43/x
  3. Step 3: Cross multiply
    708,326.27x = 977,461.75 × 386,029.43
  4. Step 4: Simplify right side
    708,326.27x = 377,328,995,381.85
  5. Step 5: Solve for x
    x = 377,328,995,381.85/708,326.27
  6. Step 6: Final answer
    x = 532,705.07

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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.