Home / 1,112.04-1,534.54-614.67

Finding the Fourth Proportional to 1,112.04, 1,534.54 and 614.67

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Solution

The fourth proportional to 1,112.04, 1,534.54 and 614.67 is: 848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.04 : 1,534.54 = 614.67 : x
  2. Step 2: Convert to fraction form
    1,112.04/1,534.54 = 614.67/x
  3. Step 3: Cross multiply
    1,112.04x = 1,534.54 × 614.67
  4. Step 4: Simplify right side
    1,112.04x = 943,232.63
  5. Step 5: Solve for x
    x = 943,232.63/1,112.04
  6. Step 6: Final answer
    x = 848.20

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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.