Home / 750.26-1,126.20-384.95

Finding the Fourth Proportional to 750.26, 1,126.20 and 384.95

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Solution

The fourth proportional to 750.26, 1,126.20 and 384.95 is: 577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.26 : 1,126.20 = 384.95 : x
  2. Step 2: Convert to fraction form
    750.26/1,126.20 = 384.95/x
  3. Step 3: Cross multiply
    750.26x = 1,126.20 × 384.95
  4. Step 4: Simplify right side
    750.26x = 433,534.95
  5. Step 5: Solve for x
    x = 433,534.95/750.26
  6. Step 6: Final answer
    x = 577.84

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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.