Home / 771,272.20-1,156,422.30-322,305.40

Finding the Fourth Proportional to 771,272.20, 1,156,422.30 and 322,305.40

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Solution

The fourth proportional to 771,272.20, 1,156,422.30 and 322,305.40 is: 483,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,272.20 : 1,156,422.30 = 322,305.40 : x
  2. Step 2: Convert to fraction form
    771,272.20/1,156,422.30 = 322,305.40/x
  3. Step 3: Cross multiply
    771,272.20x = 1,156,422.30 × 322,305.40
  4. Step 4: Simplify right side
    771,272.20x = 372,721,151,970.42
  5. Step 5: Solve for x
    x = 372,721,151,970.42/771,272.20
  6. Step 6: Final answer
    x = 483,255.01

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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.