Home / 460,778.46-635,881.32-256,823.70

Finding the Fourth Proportional to 460,778.46, 635,881.32 and 256,823.70

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Solution

The fourth proportional to 460,778.46, 635,881.32 and 256,823.70 is: 354,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,778.46 : 635,881.32 = 256,823.70 : x
  2. Step 2: Convert to fraction form
    460,778.46/635,881.32 = 256,823.70/x
  3. Step 3: Cross multiply
    460,778.46x = 635,881.32 × 256,823.70
  4. Step 4: Simplify right side
    460,778.46x = 163,309,393,363.28
  5. Step 5: Solve for x
    x = 163,309,393,363.28/460,778.46
  6. Step 6: Final answer
    x = 354,420.63

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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.