Home / 634,891.14-876,175.02-348,421.56

Finding the Fourth Proportional to 634,891.14, 876,175.02 and 348,421.56

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Solution

The fourth proportional to 634,891.14, 876,175.02 and 348,421.56 is: 480,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,891.14 : 876,175.02 = 348,421.56 : x
  2. Step 2: Convert to fraction form
    634,891.14/876,175.02 = 348,421.56/x
  3. Step 3: Cross multiply
    634,891.14x = 876,175.02 × 348,421.56
  4. Step 4: Simplify right side
    634,891.14x = 305,278,267,301.43
  5. Step 5: Solve for x
    x = 305,278,267,301.43/634,891.14
  6. Step 6: Final answer
    x = 480,835.61

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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.