Home / 1,070.20-1,476.98-650.46

Finding the Fourth Proportional to 1,070.20, 1,476.98 and 650.46

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Solution

The fourth proportional to 1,070.20, 1,476.98 and 650.46 is: 897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.20 : 1,476.98 = 650.46 : x
  2. Step 2: Convert to fraction form
    1,070.20/1,476.98 = 650.46/x
  3. Step 3: Cross multiply
    1,070.20x = 1,476.98 × 650.46
  4. Step 4: Simplify right side
    1,070.20x = 960,706.84
  5. Step 5: Solve for x
    x = 960,706.84/1,070.20
  6. Step 6: Final answer
    x = 897.69

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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.