Home / 842,893.62-1,262,809.17-487,156.14

Finding the Fourth Proportional to 842,893.62, 1,262,809.17 and 487,156.14

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Solution

The fourth proportional to 842,893.62, 1,262,809.17 and 487,156.14 is: 729,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,893.62 : 1,262,809.17 = 487,156.14 : x
  2. Step 2: Convert to fraction form
    842,893.62/1,262,809.17 = 487,156.14/x
  3. Step 3: Cross multiply
    842,893.62x = 1,262,809.17 × 487,156.14
  4. Step 4: Simplify right side
    842,893.62x = 615,185,240,813.80
  5. Step 5: Solve for x
    x = 615,185,240,813.80/842,893.62
  6. Step 6: Final answer
    x = 729,849.21

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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.