Home / 838,545.12-1,258,014.24-277,579.44

Finding the Fourth Proportional to 838,545.12, 1,258,014.24 and 277,579.44

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Solution

The fourth proportional to 838,545.12, 1,258,014.24 and 277,579.44 is: 416,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,545.12 : 1,258,014.24 = 277,579.44 : x
  2. Step 2: Convert to fraction form
    838,545.12/1,258,014.24 = 277,579.44/x
  3. Step 3: Cross multiply
    838,545.12x = 1,258,014.24 × 277,579.44
  4. Step 4: Simplify right side
    838,545.12x = 349,198,888,251.23
  5. Step 5: Solve for x
    x = 349,198,888,251.23/838,545.12
  6. Step 6: Final answer
    x = 416,434.23

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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.