Home / 688,787.92-950,520.90-382,856.32

Finding the Fourth Proportional to 688,787.92, 950,520.90 and 382,856.32

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Solution

The fourth proportional to 688,787.92, 950,520.90 and 382,856.32 is: 528,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,787.92 : 950,520.90 = 382,856.32 : x
  2. Step 2: Convert to fraction form
    688,787.92/950,520.90 = 382,856.32/x
  3. Step 3: Cross multiply
    688,787.92x = 950,520.90 × 382,856.32
  4. Step 4: Simplify right side
    688,787.92x = 363,912,933,857.09
  5. Step 5: Solve for x
    x = 363,912,933,857.09/688,787.92
  6. Step 6: Final answer
    x = 528,338.15

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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.