Home / 708,336.24-977,475.56-386,039.43

Finding the Fourth Proportional to 708,336.24, 977,475.56 and 386,039.43

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Solution

The fourth proportional to 708,336.24, 977,475.56 and 386,039.43 is: 532,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,336.24 : 977,475.56 = 386,039.43 : x
  2. Step 2: Convert to fraction form
    708,336.24/977,475.56 = 386,039.43/x
  3. Step 3: Cross multiply
    708,336.24x = 977,475.56 × 386,039.43
  4. Step 4: Simplify right side
    708,336.24x = 377,344,106,091.13
  5. Step 5: Solve for x
    x = 377,344,106,091.13/708,336.24
  6. Step 6: Final answer
    x = 532,718.90

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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.