Home / 997,065.85-1,495,285.07-322,990.76

Finding the Fourth Proportional to 997,065.85, 1,495,285.07 and 322,990.76

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Solution

The fourth proportional to 997,065.85, 1,495,285.07 and 322,990.76 is: 484,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,065.85 : 1,495,285.07 = 322,990.76 : x
  2. Step 2: Convert to fraction form
    997,065.85/1,495,285.07 = 322,990.76/x
  3. Step 3: Cross multiply
    997,065.85x = 1,495,285.07 × 322,990.76
  4. Step 4: Simplify right side
    997,065.85x = 482,963,260,910.55
  5. Step 5: Solve for x
    x = 482,963,260,910.55/997,065.85
  6. Step 6: Final answer
    x = 484,384.52

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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.