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Finding the Fourth Proportional to 1,000.46, 1,501.67 and 538.58

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Solution

The fourth proportional to 1,000.46, 1,501.67 and 538.58 is: 808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000.46 : 1,501.67 = 538.58 : x
  2. Step 2: Convert to fraction form
    1,000.46/1,501.67 = 538.58/x
  3. Step 3: Cross multiply
    1,000.46x = 1,501.67 × 538.58
  4. Step 4: Simplify right side
    1,000.46x = 808,774.53
  5. Step 5: Solve for x
    x = 808,774.53/1,000.46
  6. Step 6: Final answer
    x = 808.40

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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.