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Finding the Fourth Proportional to 1,048.01, 1,572.35 and 500.12

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Solution

The fourth proportional to 1,048.01, 1,572.35 and 500.12 is: 750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.01 : 1,572.35 = 500.12 : x
  2. Step 2: Convert to fraction form
    1,048.01/1,572.35 = 500.12/x
  3. Step 3: Cross multiply
    1,048.01x = 1,572.35 × 500.12
  4. Step 4: Simplify right side
    1,048.01x = 786,355.82
  5. Step 5: Solve for x
    x = 786,355.82/1,048.01
  6. Step 6: Final answer
    x = 750.34

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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.