Home / 440,220.04-659,682.78-260,120.32

Finding the Fourth Proportional to 440,220.04, 659,682.78 and 260,120.32

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Solution

The fourth proportional to 440,220.04, 659,682.78 and 260,120.32 is: 389,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,220.04 : 659,682.78 = 260,120.32 : x
  2. Step 2: Convert to fraction form
    440,220.04/659,682.78 = 260,120.32/x
  3. Step 3: Cross multiply
    440,220.04x = 659,682.78 × 260,120.32
  4. Step 4: Simplify right side
    440,220.04x = 171,596,895,832.09
  5. Step 5: Solve for x
    x = 171,596,895,832.09/440,220.04
  6. Step 6: Final answer
    x = 389,798.01

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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.