Home / 745,008.80-1,117,550.08-212,608.24

Finding the Fourth Proportional to 745,008.80, 1,117,550.08 and 212,608.24

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Solution

The fourth proportional to 745,008.80, 1,117,550.08 and 212,608.24 is: 318,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,008.80 : 1,117,550.08 = 212,608.24 : x
  2. Step 2: Convert to fraction form
    745,008.80/1,117,550.08 = 212,608.24/x
  3. Step 3: Cross multiply
    745,008.80x = 1,117,550.08 × 212,608.24
  4. Step 4: Simplify right side
    745,008.80x = 237,600,355,620.66
  5. Step 5: Solve for x
    x = 237,600,355,620.66/745,008.80
  6. Step 6: Final answer
    x = 318,922.88

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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.