Home / 928,261.35-1,392,392.97-254,348.10

Finding the Fourth Proportional to 928,261.35, 1,392,392.97 and 254,348.10

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Solution

The fourth proportional to 928,261.35, 1,392,392.97 and 254,348.10 is: 381,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,261.35 : 1,392,392.97 = 254,348.10 : x
  2. Step 2: Convert to fraction form
    928,261.35/1,392,392.97 = 254,348.10/x
  3. Step 3: Cross multiply
    928,261.35x = 1,392,392.97 × 254,348.10
  4. Step 4: Simplify right side
    928,261.35x = 354,152,506,372.86
  5. Step 5: Solve for x
    x = 354,152,506,372.86/928,261.35
  6. Step 6: Final answer
    x = 381,522.41

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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.