Home / 771,271.20-1,156,420.80-322,304.40

Finding the Fourth Proportional to 771,271.20, 1,156,420.80 and 322,304.40

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Solution

The fourth proportional to 771,271.20, 1,156,420.80 and 322,304.40 is: 483,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,271.20 : 1,156,420.80 = 322,304.40 : x
  2. Step 2: Convert to fraction form
    771,271.20/1,156,420.80 = 322,304.40/x
  3. Step 3: Cross multiply
    771,271.20x = 1,156,420.80 × 322,304.40
  4. Step 4: Simplify right side
    771,271.20x = 372,719,512,091.52
  5. Step 5: Solve for x
    x = 372,719,512,091.52/771,271.20
  6. Step 6: Final answer
    x = 483,253.51

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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.