Home / 874,456.79-1,311,685.18-341,604.16

Finding the Fourth Proportional to 874,456.79, 1,311,685.18 and 341,604.16

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Solution

The fourth proportional to 874,456.79, 1,311,685.18 and 341,604.16 is: 512,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,456.79 : 1,311,685.18 = 341,604.16 : x
  2. Step 2: Convert to fraction form
    874,456.79/1,311,685.18 = 341,604.16/x
  3. Step 3: Cross multiply
    874,456.79x = 1,311,685.18 × 341,604.16
  4. Step 4: Simplify right side
    874,456.79x = 448,077,109,965.13
  5. Step 5: Solve for x
    x = 448,077,109,965.13/874,456.79
  6. Step 6: Final answer
    x = 512,406.24

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Double scale
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Similar ratio
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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.