Home / 996,721.80-1,495,301.40-322,688.40

Finding the Fourth Proportional to 996,721.80, 1,495,301.40 and 322,688.40

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Solution

The fourth proportional to 996,721.80, 1,495,301.40 and 322,688.40 is: 484,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,721.80 : 1,495,301.40 = 322,688.40 : x
  2. Step 2: Convert to fraction form
    996,721.80/1,495,301.40 = 322,688.40/x
  3. Step 3: Cross multiply
    996,721.80x = 1,495,301.40 × 322,688.40
  4. Step 4: Simplify right side
    996,721.80x = 482,516,416,283.76
  5. Step 5: Solve for x
    x = 482,516,416,283.76/996,721.80
  6. Step 6: Final answer
    x = 484,103.40

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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.