Home / 987,273.20-1,480,958.40-514,881.20

Finding the Fourth Proportional to 987,273.20, 1,480,958.40 and 514,881.20

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Solution

The fourth proportional to 987,273.20, 1,480,958.40 and 514,881.20 is: 772,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,273.20 : 1,480,958.40 = 514,881.20 : x
  2. Step 2: Convert to fraction form
    987,273.20/1,480,958.40 = 514,881.20/x
  3. Step 3: Cross multiply
    987,273.20x = 1,480,958.40 × 514,881.20
  4. Step 4: Simplify right side
    987,273.20x = 762,517,638,142.08
  5. Step 5: Solve for x
    x = 762,517,638,142.08/987,273.20
  6. Step 6: Final answer
    x = 772,347.15

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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.