Home / 479,331.19-661,480.59-264,479.23

Finding the Fourth Proportional to 479,331.19, 661,480.59 and 264,479.23

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Solution

The fourth proportional to 479,331.19, 661,480.59 and 264,479.23 is: 364,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,331.19 : 661,480.59 = 264,479.23 : x
  2. Step 2: Convert to fraction form
    479,331.19/661,480.59 = 264,479.23/x
  3. Step 3: Cross multiply
    479,331.19x = 661,480.59 × 264,479.23
  4. Step 4: Simplify right side
    479,331.19x = 174,947,877,103.15
  5. Step 5: Solve for x
    x = 174,947,877,103.15/479,331.19
  6. Step 6: Final answer
    x = 364,983.29

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Double scale
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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.