Home / 720,941.61-1,081,473.92-188,461.78

Finding the Fourth Proportional to 720,941.61, 1,081,473.92 and 188,461.78

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Solution

The fourth proportional to 720,941.61, 1,081,473.92 and 188,461.78 is: 282,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,941.61 : 1,081,473.92 = 188,461.78 : x
  2. Step 2: Convert to fraction form
    720,941.61/1,081,473.92 = 188,461.78/x
  3. Step 3: Cross multiply
    720,941.61x = 1,081,473.92 × 188,461.78
  4. Step 4: Simplify right side
    720,941.61x = 203,816,499,986.78
  5. Step 5: Solve for x
    x = 203,816,499,986.78/720,941.61
  6. Step 6: Final answer
    x = 282,708.75

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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.