Home / 855,439.26-1,282,575.69-433,902.30

Finding the Fourth Proportional to 855,439.26, 1,282,575.69 and 433,902.30

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Solution

The fourth proportional to 855,439.26, 1,282,575.69 and 433,902.30 is: 650,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,439.26 : 1,282,575.69 = 433,902.30 : x
  2. Step 2: Convert to fraction form
    855,439.26/1,282,575.69 = 433,902.30/x
  3. Step 3: Cross multiply
    855,439.26x = 1,282,575.69 × 433,902.30
  4. Step 4: Simplify right side
    855,439.26x = 556,512,541,815.09
  5. Step 5: Solve for x
    x = 556,512,541,815.09/855,439.26
  6. Step 6: Final answer
    x = 650,557.63

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Double scale
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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.