Home / 986,799.70-1,480,248.15-514,407.70

Finding the Fourth Proportional to 986,799.70, 1,480,248.15 and 514,407.70

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Solution

The fourth proportional to 986,799.70, 1,480,248.15 and 514,407.70 is: 771,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,799.70 : 1,480,248.15 = 514,407.70 : x
  2. Step 2: Convert to fraction form
    986,799.70/1,480,248.15 = 514,407.70/x
  3. Step 3: Cross multiply
    986,799.70x = 1,480,248.15 × 514,407.70
  4. Step 4: Simplify right side
    986,799.70x = 761,451,046,270.76
  5. Step 5: Solve for x
    x = 761,451,046,270.76/986,799.70
  6. Step 6: Final answer
    x = 771,636.88

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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.