Home / 880,146.83-1,320,220.28-480,569.64

Finding the Fourth Proportional to 880,146.83, 1,320,220.28 and 480,569.64

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Solution

The fourth proportional to 880,146.83, 1,320,220.28 and 480,569.64 is: 720,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,146.83 : 1,320,220.28 = 480,569.64 : x
  2. Step 2: Convert to fraction form
    880,146.83/1,320,220.28 = 480,569.64/x
  3. Step 3: Cross multiply
    880,146.83x = 1,320,220.28 × 480,569.64
  4. Step 4: Simplify right side
    880,146.83x = 634,457,784,680.30
  5. Step 5: Solve for x
    x = 634,457,784,680.30/880,146.83
  6. Step 6: Final answer
    x = 720,854.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.