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Finding the Fourth Proportional to 1,060.18, 1,590.13 and 504.76

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Solution

The fourth proportional to 1,060.18, 1,590.13 and 504.76 is: 757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.18 : 1,590.13 = 504.76 : x
  2. Step 2: Convert to fraction form
    1,060.18/1,590.13 = 504.76/x
  3. Step 3: Cross multiply
    1,060.18x = 1,590.13 × 504.76
  4. Step 4: Simplify right side
    1,060.18x = 802,634.02
  5. Step 5: Solve for x
    x = 802,634.02/1,060.18
  6. Step 6: Final answer
    x = 757.07

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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.