Home / 865,911.31-1,194,959.34-483,938.08

Finding the Fourth Proportional to 865,911.31, 1,194,959.34 and 483,938.08

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Solution

The fourth proportional to 865,911.31, 1,194,959.34 and 483,938.08 is: 667,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,911.31 : 1,194,959.34 = 483,938.08 : x
  2. Step 2: Convert to fraction form
    865,911.31/1,194,959.34 = 483,938.08/x
  3. Step 3: Cross multiply
    865,911.31x = 1,194,959.34 × 483,938.08
  4. Step 4: Simplify right side
    865,911.31x = 578,286,320,283.18
  5. Step 5: Solve for x
    x = 578,286,320,283.18/865,911.31
  6. Step 6: Final answer
    x = 667,835.51

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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.