Home / 1,060.23-1,463.16-640.50

Finding the Fourth Proportional to 1,060.23, 1,463.16 and 640.50

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Solution

The fourth proportional to 1,060.23, 1,463.16 and 640.50 is: 883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.23 : 1,463.16 = 640.50 : x
  2. Step 2: Convert to fraction form
    1,060.23/1,463.16 = 640.50/x
  3. Step 3: Cross multiply
    1,060.23x = 1,463.16 × 640.50
  4. Step 4: Simplify right side
    1,060.23x = 937,155.52
  5. Step 5: Solve for x
    x = 937,155.52/1,060.23
  6. Step 6: Final answer
    x = 883.91

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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.