Home / 708,336.74-977,476.24-386,039.92

Finding the Fourth Proportional to 708,336.74, 977,476.24 and 386,039.92

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Solution

The fourth proportional to 708,336.74, 977,476.24 and 386,039.92 is: 532,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,336.74 : 977,476.24 = 386,039.92 : x
  2. Step 2: Convert to fraction form
    708,336.74/977,476.24 = 386,039.92/x
  3. Step 3: Cross multiply
    708,336.74x = 977,476.24 × 386,039.92
  4. Step 4: Simplify right side
    708,336.74x = 377,344,849,491.50
  5. Step 5: Solve for x
    x = 377,344,849,491.50/708,336.74
  6. Step 6: Final answer
    x = 532,719.58

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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.