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Finding the Fourth Proportional to 440,235.36, 660,741.84 and 240,737.76

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Solution

The fourth proportional to 440,235.36, 660,741.84 and 240,737.76 is: 361,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,235.36 : 660,741.84 = 240,737.76 : x
  2. Step 2: Convert to fraction form
    440,235.36/660,741.84 = 240,737.76/x
  3. Step 3: Cross multiply
    440,235.36x = 660,741.84 × 240,737.76
  4. Step 4: Simplify right side
    440,235.36x = 159,065,510,499.88
  5. Step 5: Solve for x
    x = 159,065,510,499.88/440,235.36
  6. Step 6: Final answer
    x = 361,319.25

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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.