Home / 1,022.17-1,533.93-560.28

Finding the Fourth Proportional to 1,022.17, 1,533.93 and 560.28

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Solution

The fourth proportional to 1,022.17, 1,533.93 and 560.28 is: 840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.17 : 1,533.93 = 560.28 : x
  2. Step 2: Convert to fraction form
    1,022.17/1,533.93 = 560.28/x
  3. Step 3: Cross multiply
    1,022.17x = 1,533.93 × 560.28
  4. Step 4: Simplify right side
    1,022.17x = 859,423.61
  5. Step 5: Solve for x
    x = 859,423.61/1,022.17
  6. Step 6: Final answer
    x = 840.78

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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.