Home / 720,941.49-1,081,473.74-188,461.66

Finding the Fourth Proportional to 720,941.49, 1,081,473.74 and 188,461.66

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Solution

The fourth proportional to 720,941.49, 1,081,473.74 and 188,461.66 is: 282,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,941.49 : 1,081,473.74 = 188,461.66 : x
  2. Step 2: Convert to fraction form
    720,941.49/1,081,473.74 = 188,461.66/x
  3. Step 3: Cross multiply
    720,941.49x = 1,081,473.74 × 188,461.66
  4. Step 4: Simplify right side
    720,941.49x = 203,816,336,286.81
  5. Step 5: Solve for x
    x = 203,816,336,286.81/720,941.49
  6. Step 6: Final answer
    x = 282,708.57

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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.