Home / 641,348.10-885,060.44-350,959.72

Finding the Fourth Proportional to 641,348.10, 885,060.44 and 350,959.72

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Solution

The fourth proportional to 641,348.10, 885,060.44 and 350,959.72 is: 484,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,348.10 : 885,060.44 = 350,959.72 : x
  2. Step 2: Convert to fraction form
    641,348.10/885,060.44 = 350,959.72/x
  3. Step 3: Cross multiply
    641,348.10x = 885,060.44 × 350,959.72
  4. Step 4: Simplify right side
    641,348.10x = 310,620,567,247.83
  5. Step 5: Solve for x
    x = 310,620,567,247.83/641,348.10
  6. Step 6: Final answer
    x = 484,324.46

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1.5x scale

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.