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Finding the Fourth Proportional to 1,032.01, 1,423.78 and 659.01

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Solution

The fourth proportional to 1,032.01, 1,423.78 and 659.01 is: 909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.01 : 1,423.78 = 659.01 : x
  2. Step 2: Convert to fraction form
    1,032.01/1,423.78 = 659.01/x
  3. Step 3: Cross multiply
    1,032.01x = 1,423.78 × 659.01
  4. Step 4: Simplify right side
    1,032.01x = 938,285.26
  5. Step 5: Solve for x
    x = 938,285.26/1,032.01
  6. Step 6: Final answer
    x = 909.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.