Home / 913,233.62-1,369,445.49-486,689.94

Finding the Fourth Proportional to 913,233.62, 1,369,445.49 and 486,689.94

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Solution

The fourth proportional to 913,233.62, 1,369,445.49 and 486,689.94 is: 729,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,233.62 : 1,369,445.49 = 486,689.94 : x
  2. Step 2: Convert to fraction form
    913,233.62/1,369,445.49 = 486,689.94/x
  3. Step 3: Cross multiply
    913,233.62x = 1,369,445.49 × 486,689.94
  4. Step 4: Simplify right side
    913,233.62x = 666,495,334,080.69
  5. Step 5: Solve for x
    x = 666,495,334,080.69/913,233.62
  6. Step 6: Final answer
    x = 729,819.10

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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.