Home / 887,362.84-1,331,118.08-288,310.76

Finding the Fourth Proportional to 887,362.84, 1,331,118.08 and 288,310.76

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Solution

The fourth proportional to 887,362.84, 1,331,118.08 and 288,310.76 is: 432,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,362.84 : 1,331,118.08 = 288,310.76 : x
  2. Step 2: Convert to fraction form
    887,362.84/1,331,118.08 = 288,310.76/x
  3. Step 3: Cross multiply
    887,362.84x = 1,331,118.08 × 288,310.76
  4. Step 4: Simplify right side
    887,362.84x = 383,775,665,294.54
  5. Step 5: Solve for x
    x = 383,775,665,294.54/887,362.84
  6. Step 6: Final answer
    x = 432,490.12

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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.