Home / 855,475.03-1,180,818.30-493,141.06

Finding the Fourth Proportional to 855,475.03, 1,180,818.30 and 493,141.06

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Solution

The fourth proportional to 855,475.03, 1,180,818.30 and 493,141.06 is: 680,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,475.03 : 1,180,818.30 = 493,141.06 : x
  2. Step 2: Convert to fraction form
    855,475.03/1,180,818.30 = 493,141.06/x
  3. Step 3: Cross multiply
    855,475.03x = 1,180,818.30 × 493,141.06
  4. Step 4: Simplify right side
    855,475.03x = 582,309,988,129.40
  5. Step 5: Solve for x
    x = 582,309,988,129.40/855,475.03
  6. Step 6: Final answer
    x = 680,686.13

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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.