Home / 949,040.76-1,309,672.68-513,456.68

Finding the Fourth Proportional to 949,040.76, 1,309,672.68 and 513,456.68

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Solution

The fourth proportional to 949,040.76, 1,309,672.68 and 513,456.68 is: 708,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,040.76 : 1,309,672.68 = 513,456.68 : x
  2. Step 2: Convert to fraction form
    949,040.76/1,309,672.68 = 513,456.68/x
  3. Step 3: Cross multiply
    949,040.76x = 1,309,672.68 × 513,456.68
  4. Step 4: Simplify right side
    949,040.76x = 672,460,186,159.50
  5. Step 5: Solve for x
    x = 672,460,186,159.50/949,040.76
  6. Step 6: Final answer
    x = 708,568.29

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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.