Home / 771,360.88-1,157,787.63-372,282.61

Finding the Fourth Proportional to 771,360.88, 1,157,787.63 and 372,282.61

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Solution

The fourth proportional to 771,360.88, 1,157,787.63 and 372,282.61 is: 558,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,360.88 : 1,157,787.63 = 372,282.61 : x
  2. Step 2: Convert to fraction form
    771,360.88/1,157,787.63 = 372,282.61/x
  3. Step 3: Cross multiply
    771,360.88x = 1,157,787.63 × 372,282.61
  4. Step 4: Simplify right side
    771,360.88x = 431,024,200,722.11
  5. Step 5: Solve for x
    x = 431,024,200,722.11/771,360.88
  6. Step 6: Final answer
    x = 558,784.11

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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.