Home / 432,960.20-650,315.10-418,088.60

Finding the Fourth Proportional to 432,960.20, 650,315.10 and 418,088.60

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Solution

The fourth proportional to 432,960.20, 650,315.10 and 418,088.60 is: 627,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,960.20 : 650,315.10 = 418,088.60 : x
  2. Step 2: Convert to fraction form
    432,960.20/650,315.10 = 418,088.60/x
  3. Step 3: Cross multiply
    432,960.20x = 650,315.10 × 418,088.60
  4. Step 4: Simplify right side
    432,960.20x = 271,889,329,717.86
  5. Step 5: Solve for x
    x = 271,889,329,717.86/432,960.20
  6. Step 6: Final answer
    x = 627,977.65

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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.