Home / 755,834.20-1,043,011.83-469,348.14

Finding the Fourth Proportional to 755,834.20, 1,043,011.83 and 469,348.14

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Solution

The fourth proportional to 755,834.20, 1,043,011.83 and 469,348.14 is: 647,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,834.20 : 1,043,011.83 = 469,348.14 : x
  2. Step 2: Convert to fraction form
    755,834.20/1,043,011.83 = 469,348.14/x
  3. Step 3: Cross multiply
    755,834.20x = 1,043,011.83 × 469,348.14
  4. Step 4: Simplify right side
    755,834.20x = 489,535,662,408.50
  5. Step 5: Solve for x
    x = 489,535,662,408.50/755,834.20
  6. Step 6: Final answer
    x = 647,675.99

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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.