Home / 872,480.32-1,204,036.80-480,029.92

Finding the Fourth Proportional to 872,480.32, 1,204,036.80 and 480,029.92

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Solution

The fourth proportional to 872,480.32, 1,204,036.80 and 480,029.92 is: 662,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,480.32 : 1,204,036.80 = 480,029.92 : x
  2. Step 2: Convert to fraction form
    872,480.32/1,204,036.80 = 480,029.92/x
  3. Step 3: Cross multiply
    872,480.32x = 1,204,036.80 × 480,029.92
  4. Step 4: Simplify right side
    872,480.32x = 577,973,688,781.06
  5. Step 5: Solve for x
    x = 577,973,688,781.06/872,480.32
  6. Step 6: Final answer
    x = 662,448.97

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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.