Home / 858,464.10-1,287,696.15-504,170.10

Finding the Fourth Proportional to 858,464.10, 1,287,696.15 and 504,170.10

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Solution

The fourth proportional to 858,464.10, 1,287,696.15 and 504,170.10 is: 756,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,464.10 : 1,287,696.15 = 504,170.10 : x
  2. Step 2: Convert to fraction form
    858,464.10/1,287,696.15 = 504,170.10/x
  3. Step 3: Cross multiply
    858,464.10x = 1,287,696.15 × 504,170.10
  4. Step 4: Simplify right side
    858,464.10x = 649,217,896,715.12
  5. Step 5: Solve for x
    x = 649,217,896,715.12/858,464.10
  6. Step 6: Final answer
    x = 756,255.15

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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.