Home / 887,553.60-1,330,601.40-382,502.40

Finding the Fourth Proportional to 887,553.60, 1,330,601.40 and 382,502.40

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Solution

The fourth proportional to 887,553.60, 1,330,601.40 and 382,502.40 is: 573,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,553.60 : 1,330,601.40 = 382,502.40 : x
  2. Step 2: Convert to fraction form
    887,553.60/1,330,601.40 = 382,502.40/x
  3. Step 3: Cross multiply
    887,553.60x = 1,330,601.40 × 382,502.40
  4. Step 4: Simplify right side
    887,553.60x = 508,958,228,943.36
  5. Step 5: Solve for x
    x = 508,958,228,943.36/887,553.60
  6. Step 6: Final answer
    x = 573,439.43

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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.