Home / 887,423.70-1,330,357.95-532,578.90

Finding the Fourth Proportional to 887,423.70, 1,330,357.95 and 532,578.90

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Solution

The fourth proportional to 887,423.70, 1,330,357.95 and 532,578.90 is: 798,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,423.70 : 1,330,357.95 = 532,578.90 : x
  2. Step 2: Convert to fraction form
    887,423.70/1,330,357.95 = 532,578.90/x
  3. Step 3: Cross multiply
    887,423.70x = 1,330,357.95 × 532,578.90
  4. Step 4: Simplify right side
    887,423.70x = 708,520,573,617.26
  5. Step 5: Solve for x
    x = 708,520,573,617.26/887,423.70
  6. Step 6: Final answer
    x = 798,401.68

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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.