Home / 887,206.08-1,331,190.36-288,350.76

Finding the Fourth Proportional to 887,206.08, 1,331,190.36 and 288,350.76

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Solution

The fourth proportional to 887,206.08, 1,331,190.36 and 288,350.76 is: 432,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,206.08 : 1,331,190.36 = 288,350.76 : x
  2. Step 2: Convert to fraction form
    887,206.08/1,331,190.36 = 288,350.76/x
  3. Step 3: Cross multiply
    887,206.08x = 1,331,190.36 × 288,350.76
  4. Step 4: Simplify right side
    887,206.08x = 383,849,752,010.67
  5. Step 5: Solve for x
    x = 383,849,752,010.67/887,206.08
  6. Step 6: Final answer
    x = 432,650.05

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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.