Home / 887,654.20-1,330,703.70-532,809.40

Finding the Fourth Proportional to 887,654.20, 1,330,703.70 and 532,809.40

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Solution

The fourth proportional to 887,654.20, 1,330,703.70 and 532,809.40 is: 798,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,654.20 : 1,330,703.70 = 532,809.40 : x
  2. Step 2: Convert to fraction form
    887,654.20/1,330,703.70 = 532,809.40/x
  3. Step 3: Cross multiply
    887,654.20x = 1,330,703.70 × 532,809.40
  4. Step 4: Simplify right side
    887,654.20x = 709,011,439,974.78
  5. Step 5: Solve for x
    x = 709,011,439,974.78/887,654.20
  6. Step 6: Final answer
    x = 798,747.35

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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.