Home / 987,904.49-1,481,856.80-277,932.20

Finding the Fourth Proportional to 987,904.49, 1,481,856.80 and 277,932.20

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Solution

The fourth proportional to 987,904.49, 1,481,856.80 and 277,932.20 is: 416,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,904.49 : 1,481,856.80 = 277,932.20 : x
  2. Step 2: Convert to fraction form
    987,904.49/1,481,856.80 = 277,932.20/x
  3. Step 3: Cross multiply
    987,904.49x = 1,481,856.80 × 277,932.20
  4. Step 4: Simplify right side
    987,904.49x = 411,855,711,710.02
  5. Step 5: Solve for x
    x = 411,855,711,710.02/987,904.49
  6. Step 6: Final answer
    x = 416,898.31

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1.5x scale

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.