Home / 771,672.67-1,157,568.86-231,886.78

Finding the Fourth Proportional to 771,672.67, 1,157,568.86 and 231,886.78

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Solution

The fourth proportional to 771,672.67, 1,157,568.86 and 231,886.78 is: 347,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,672.67 : 1,157,568.86 = 231,886.78 : x
  2. Step 2: Convert to fraction form
    771,672.67/1,157,568.86 = 231,886.78/x
  3. Step 3: Cross multiply
    771,672.67x = 1,157,568.86 × 231,886.78
  4. Step 4: Simplify right side
    771,672.67x = 268,424,913,259.47
  5. Step 5: Solve for x
    x = 268,424,913,259.47/771,672.67
  6. Step 6: Final answer
    x = 347,848.15

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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.