Home / 676,710.69-1,014,965.79-410,399.70

Finding the Fourth Proportional to 676,710.69, 1,014,965.79 and 410,399.70

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Solution

The fourth proportional to 676,710.69, 1,014,965.79 and 410,399.70 is: 615,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,710.69 : 1,014,965.79 = 410,399.70 : x
  2. Step 2: Convert to fraction form
    676,710.69/1,014,965.79 = 410,399.70/x
  3. Step 3: Cross multiply
    676,710.69x = 1,014,965.79 × 410,399.70
  4. Step 4: Simplify right side
    676,710.69x = 416,541,655,726.26
  5. Step 5: Solve for x
    x = 416,541,655,726.26/676,710.69
  6. Step 6: Final answer
    x = 615,538.76

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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.