Home / 634,109.91-874,077.66-480,533.33

Finding the Fourth Proportional to 634,109.91, 874,077.66 and 480,533.33

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Solution

The fourth proportional to 634,109.91, 874,077.66 and 480,533.33 is: 662,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,109.91 : 874,077.66 = 480,533.33 : x
  2. Step 2: Convert to fraction form
    634,109.91/874,077.66 = 480,533.33/x
  3. Step 3: Cross multiply
    634,109.91x = 874,077.66 × 480,533.33
  4. Step 4: Simplify right side
    634,109.91x = 420,023,444,268.02
  5. Step 5: Solve for x
    x = 420,023,444,268.02/634,109.91
  6. Step 6: Final answer
    x = 662,382.72

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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.