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Finding the Fourth Proportional to 433,695.30, 650,542.95 and 276,036.90

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Solution

The fourth proportional to 433,695.30, 650,542.95 and 276,036.90 is: 414,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,695.30 : 650,542.95 = 276,036.90 : x
  2. Step 2: Convert to fraction form
    433,695.30/650,542.95 = 276,036.90/x
  3. Step 3: Cross multiply
    433,695.30x = 650,542.95 × 276,036.90
  4. Step 4: Simplify right side
    433,695.30x = 179,573,859,234.86
  5. Step 5: Solve for x
    x = 179,573,859,234.86/433,695.30
  6. Step 6: Final answer
    x = 414,055.35

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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.