Home / 502,228.34-693,080.20-272,787.84

Finding the Fourth Proportional to 502,228.34, 693,080.20 and 272,787.84

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Solution

The fourth proportional to 502,228.34, 693,080.20 and 272,787.84 is: 376,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,228.34 : 693,080.20 = 272,787.84 : x
  2. Step 2: Convert to fraction form
    502,228.34/693,080.20 = 272,787.84/x
  3. Step 3: Cross multiply
    502,228.34x = 693,080.20 × 272,787.84
  4. Step 4: Simplify right side
    502,228.34x = 189,063,850,704.77
  5. Step 5: Solve for x
    x = 189,063,850,704.77/502,228.34
  6. Step 6: Final answer
    x = 376,449.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.