Home / 929.04-1,393.32-441.12

Finding the Fourth Proportional to 929.04, 1,393.32 and 441.12

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Solution

The fourth proportional to 929.04, 1,393.32 and 441.12 is: 661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    929.04 : 1,393.32 = 441.12 : x
  2. Step 2: Convert to fraction form
    929.04/1,393.32 = 441.12/x
  3. Step 3: Cross multiply
    929.04x = 1,393.32 × 441.12
  4. Step 4: Simplify right side
    929.04x = 614,621.32
  5. Step 5: Solve for x
    x = 614,621.32/929.04
  6. Step 6: Final answer
    x = 661.57

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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.