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Finding the Fourth Proportional to 580,381.32, 801,004.38 and 325,746.44

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Solution

The fourth proportional to 580,381.32, 801,004.38 and 325,746.44 is: 449,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,381.32 : 801,004.38 = 325,746.44 : x
  2. Step 2: Convert to fraction form
    580,381.32/801,004.38 = 325,746.44/x
  3. Step 3: Cross multiply
    580,381.32x = 801,004.38 × 325,746.44
  4. Step 4: Simplify right side
    580,381.32x = 260,924,325,209.41
  5. Step 5: Solve for x
    x = 260,924,325,209.41/580,381.32
  6. Step 6: Final answer
    x = 449,573.95

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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.