Home / 634,948.65-876,201.71-348,473.61

Finding the Fourth Proportional to 634,948.65, 876,201.71 and 348,473.61

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Solution

The fourth proportional to 634,948.65, 876,201.71 and 348,473.61 is: 480,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,948.65 : 876,201.71 = 348,473.61 : x
  2. Step 2: Convert to fraction form
    634,948.65/876,201.71 = 348,473.61/x
  3. Step 3: Cross multiply
    634,948.65x = 876,201.71 × 348,473.61
  4. Step 4: Simplify right side
    634,948.65x = 305,333,171,229.51
  5. Step 5: Solve for x
    x = 305,333,171,229.51/634,948.65
  6. Step 6: Final answer
    x = 480,878.53

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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.