Home / 679,220.20-1,018,865.13-173,785.46

Finding the Fourth Proportional to 679,220.20, 1,018,865.13 and 173,785.46

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Solution

The fourth proportional to 679,220.20, 1,018,865.13 and 173,785.46 is: 260,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,220.20 : 1,018,865.13 = 173,785.46 : x
  2. Step 2: Convert to fraction form
    679,220.20/1,018,865.13 = 173,785.46/x
  3. Step 3: Cross multiply
    679,220.20x = 1,018,865.13 × 173,785.46
  4. Step 4: Simplify right side
    679,220.20x = 177,063,945,295.01
  5. Step 5: Solve for x
    x = 177,063,945,295.01/679,220.20
  6. Step 6: Final answer
    x = 260,687.10

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1.5x scale

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.