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Finding the Fourth Proportional to 634,780.80, 952,170.24 and 260,540.16

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Solution

The fourth proportional to 634,780.80, 952,170.24 and 260,540.16 is: 390,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,780.80 : 952,170.24 = 260,540.16 : x
  2. Step 2: Convert to fraction form
    634,780.80/952,170.24 = 260,540.16/x
  3. Step 3: Cross multiply
    634,780.80x = 952,170.24 × 260,540.16
  4. Step 4: Simplify right side
    634,780.80x = 248,078,586,676.84
  5. Step 5: Solve for x
    x = 248,078,586,676.84/634,780.80
  6. Step 6: Final answer
    x = 390,809.85

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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.