Home / 750,236.31-1,035,305.82-427,939.63

Finding the Fourth Proportional to 750,236.31, 1,035,305.82 and 427,939.63

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Solution

The fourth proportional to 750,236.31, 1,035,305.82 and 427,939.63 is: 590,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,236.31 : 1,035,305.82 = 427,939.63 : x
  2. Step 2: Convert to fraction form
    750,236.31/1,035,305.82 = 427,939.63/x
  3. Step 3: Cross multiply
    750,236.31x = 1,035,305.82 × 427,939.63
  4. Step 4: Simplify right side
    750,236.31x = 443,048,386,959.38
  5. Step 5: Solve for x
    x = 443,048,386,959.38/750,236.31
  6. Step 6: Final answer
    x = 590,545.11

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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.