Home / 439,739.10-659,608.65-437,114.70

Finding the Fourth Proportional to 439,739.10, 659,608.65 and 437,114.70

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Solution

The fourth proportional to 439,739.10, 659,608.65 and 437,114.70 is: 655,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,739.10 : 659,608.65 = 437,114.70 : x
  2. Step 2: Convert to fraction form
    439,739.10/659,608.65 = 437,114.70/x
  3. Step 3: Cross multiply
    439,739.10x = 659,608.65 × 437,114.70
  4. Step 4: Simplify right side
    439,739.10x = 288,324,637,162.16
  5. Step 5: Solve for x
    x = 288,324,637,162.16/439,739.10
  6. Step 6: Final answer
    x = 655,672.05

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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.