Home / 1,042.34-1,438.29-600.30

Finding the Fourth Proportional to 1,042.34, 1,438.29 and 600.30

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Solution

The fourth proportional to 1,042.34, 1,438.29 and 600.30 is: 828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.34 : 1,438.29 = 600.30 : x
  2. Step 2: Convert to fraction form
    1,042.34/1,438.29 = 600.30/x
  3. Step 3: Cross multiply
    1,042.34x = 1,438.29 × 600.30
  4. Step 4: Simplify right side
    1,042.34x = 863,405.49
  5. Step 5: Solve for x
    x = 863,405.49/1,042.34
  6. Step 6: Final answer
    x = 828.34

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1.5x scale

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.