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Finding the Fourth Proportional to 1,029.98, 1,543.26 and 898.52

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Solution

The fourth proportional to 1,029.98, 1,543.26 and 898.52 is: 1,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.98 : 1,543.26 = 898.52 : x
  2. Step 2: Convert to fraction form
    1,029.98/1,543.26 = 898.52/x
  3. Step 3: Cross multiply
    1,029.98x = 1,543.26 × 898.52
  4. Step 4: Simplify right side
    1,029.98x = 1,386,649.98
  5. Step 5: Solve for x
    x = 1,386,649.98/1,029.98
  6. Step 6: Final answer
    x = 1,346.29

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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.