Home / 741,824.31-1,112,703.02-309,363.69

Finding the Fourth Proportional to 741,824.31, 1,112,703.02 and 309,363.69

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Solution

The fourth proportional to 741,824.31, 1,112,703.02 and 309,363.69 is: 464,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,824.31 : 1,112,703.02 = 309,363.69 : x
  2. Step 2: Convert to fraction form
    741,824.31/1,112,703.02 = 309,363.69/x
  3. Step 3: Cross multiply
    741,824.31x = 1,112,703.02 × 309,363.69
  4. Step 4: Simplify right side
    741,824.31x = 344,229,908,586.18
  5. Step 5: Solve for x
    x = 344,229,908,586.18/741,824.31
  6. Step 6: Final answer
    x = 464,031.58

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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.