Home / 771,382.92-1,157,820.70-372,304.63

Finding the Fourth Proportional to 771,382.92, 1,157,820.70 and 372,304.63

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Solution

The fourth proportional to 771,382.92, 1,157,820.70 and 372,304.63 is: 558,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,382.92 : 1,157,820.70 = 372,304.63 : x
  2. Step 2: Convert to fraction form
    771,382.92/1,157,820.70 = 372,304.63/x
  3. Step 3: Cross multiply
    771,382.92x = 1,157,820.70 × 372,304.63
  4. Step 4: Simplify right side
    771,382.92x = 431,062,007,319.84
  5. Step 5: Solve for x
    x = 431,062,007,319.84/771,382.92
  6. Step 6: Final answer
    x = 558,817.15

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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.