Home / 1,026.50-1,416.58-560.75

Finding the Fourth Proportional to 1,026.50, 1,416.58 and 560.75

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Solution

The fourth proportional to 1,026.50, 1,416.58 and 560.75 is: 773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.50 : 1,416.58 = 560.75 : x
  2. Step 2: Convert to fraction form
    1,026.50/1,416.58 = 560.75/x
  3. Step 3: Cross multiply
    1,026.50x = 1,416.58 × 560.75
  4. Step 4: Simplify right side
    1,026.50x = 794,347.24
  5. Step 5: Solve for x
    x = 794,347.24/1,026.50
  6. Step 6: Final answer
    x = 773.84

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Double scale
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1.5x scale

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.