Home / 987,325.20-1,481,036.40-514,933.20

Finding the Fourth Proportional to 987,325.20, 1,481,036.40 and 514,933.20

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Solution

The fourth proportional to 987,325.20, 1,481,036.40 and 514,933.20 is: 772,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,325.20 : 1,481,036.40 = 514,933.20 : x
  2. Step 2: Convert to fraction form
    987,325.20/1,481,036.40 = 514,933.20/x
  3. Step 3: Cross multiply
    987,325.20x = 1,481,036.40 × 514,933.20
  4. Step 4: Simplify right side
    987,325.20x = 762,634,812,768.48
  5. Step 5: Solve for x
    x = 762,634,812,768.48/987,325.20
  6. Step 6: Final answer
    x = 772,425.15

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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.