Home / 902,523.40-1,245,479.70-500,115.40

Finding the Fourth Proportional to 902,523.40, 1,245,479.70 and 500,115.40

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Solution

The fourth proportional to 902,523.40, 1,245,479.70 and 500,115.40 is: 690,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,523.40 : 1,245,479.70 = 500,115.40 : x
  2. Step 2: Convert to fraction form
    902,523.40/1,245,479.70 = 500,115.40/x
  3. Step 3: Cross multiply
    902,523.40x = 1,245,479.70 × 500,115.40
  4. Step 4: Simplify right side
    902,523.40x = 622,883,578,357.38
  5. Step 5: Solve for x
    x = 622,883,578,357.38/902,523.40
  6. Step 6: Final answer
    x = 690,157.82

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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.