Home / 634,949.65-876,203.08-348,474.61

Finding the Fourth Proportional to 634,949.65, 876,203.08 and 348,474.61

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Solution

The fourth proportional to 634,949.65, 876,203.08 and 348,474.61 is: 480,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,949.65 : 876,203.08 = 348,474.61 : x
  2. Step 2: Convert to fraction form
    634,949.65/876,203.08 = 348,474.61/x
  3. Step 3: Cross multiply
    634,949.65x = 876,203.08 × 348,474.61
  4. Step 4: Simplify right side
    634,949.65x = 305,334,526,583.80
  5. Step 5: Solve for x
    x = 305,334,526,583.80/634,949.65
  6. Step 6: Final answer
    x = 480,879.90

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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.