Home / 634,842.12-876,080.88-344,453.59

Finding the Fourth Proportional to 634,842.12, 876,080.88 and 344,453.59

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Solution

The fourth proportional to 634,842.12, 876,080.88 and 344,453.59 is: 475,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,842.12 : 876,080.88 = 344,453.59 : x
  2. Step 2: Convert to fraction form
    634,842.12/876,080.88 = 344,453.59/x
  3. Step 3: Cross multiply
    634,842.12x = 876,080.88 × 344,453.59
  4. Step 4: Simplify right side
    634,842.12x = 301,769,198,143.69
  5. Step 5: Solve for x
    x = 301,769,198,143.69/634,842.12
  6. Step 6: Final answer
    x = 475,345.27

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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.