Home / 634,926.54-876,215.68-348,456.80

Finding the Fourth Proportional to 634,926.54, 876,215.68 and 348,456.80

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Solution

The fourth proportional to 634,926.54, 876,215.68 and 348,456.80 is: 480,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,926.54 : 876,215.68 = 348,456.80 : x
  2. Step 2: Convert to fraction form
    634,926.54/876,215.68 = 348,456.80/x
  3. Step 3: Cross multiply
    634,926.54x = 876,215.68 × 348,456.80
  4. Step 4: Simplify right side
    634,926.54x = 305,323,311,962.62
  5. Step 5: Solve for x
    x = 305,323,311,962.62/634,926.54
  6. Step 6: Final answer
    x = 480,879.74

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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.