Home / 535,541.10-739,040.40-293,825.76

Finding the Fourth Proportional to 535,541.10, 739,040.40 and 293,825.76

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Solution

The fourth proportional to 535,541.10, 739,040.40 and 293,825.76 is: 405,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,541.10 : 739,040.40 = 293,825.76 : x
  2. Step 2: Convert to fraction form
    535,541.10/739,040.40 = 293,825.76/x
  3. Step 3: Cross multiply
    535,541.10x = 739,040.40 × 293,825.76
  4. Step 4: Simplify right side
    535,541.10x = 217,149,107,200.70
  5. Step 5: Solve for x
    x = 217,149,107,200.70/535,541.10
  6. Step 6: Final answer
    x = 405,476.08

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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.