Home / 997,510.40-1,495,281.45-491,657.30

Finding the Fourth Proportional to 997,510.40, 1,495,281.45 and 491,657.30

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Solution

The fourth proportional to 997,510.40, 1,495,281.45 and 491,657.30 is: 737,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,510.40 : 1,495,281.45 = 491,657.30 : x
  2. Step 2: Convert to fraction form
    997,510.40/1,495,281.45 = 491,657.30/x
  3. Step 3: Cross multiply
    997,510.40x = 1,495,281.45 × 491,657.30
  4. Step 4: Simplify right side
    997,510.40x = 735,166,040,447.09
  5. Step 5: Solve for x
    x = 735,166,040,447.09/997,510.40
  6. Step 6: Final answer
    x = 737,000.88

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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.