Home / 842,503.20-1,264,192.20-369,236.40

Finding the Fourth Proportional to 842,503.20, 1,264,192.20 and 369,236.40

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Solution

The fourth proportional to 842,503.20, 1,264,192.20 and 369,236.40 is: 554,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,503.20 : 1,264,192.20 = 369,236.40 : x
  2. Step 2: Convert to fraction form
    842,503.20/1,264,192.20 = 369,236.40/x
  3. Step 3: Cross multiply
    842,503.20x = 1,264,192.20 × 369,236.40
  4. Step 4: Simplify right side
    842,503.20x = 466,785,776,836.08
  5. Step 5: Solve for x
    x = 466,785,776,836.08/842,503.20
  6. Step 6: Final answer
    x = 554,046.30

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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.