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Finding the Fourth Proportional to 663,160.98, 993,909.58 and 283,636.29

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Solution

The fourth proportional to 663,160.98, 993,909.58 and 283,636.29 is: 425,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,160.98 : 993,909.58 = 283,636.29 : x
  2. Step 2: Convert to fraction form
    663,160.98/993,909.58 = 283,636.29/x
  3. Step 3: Cross multiply
    663,160.98x = 993,909.58 × 283,636.29
  4. Step 4: Simplify right side
    663,160.98x = 281,908,825,866.66
  5. Step 5: Solve for x
    x = 281,908,825,866.66/663,160.98
  6. Step 6: Final answer
    x = 425,098.63

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1.5x scale

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.