Home / 858,941.44-1,288,570.56-282,597.12

Finding the Fourth Proportional to 858,941.44, 1,288,570.56 and 282,597.12

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Solution

The fourth proportional to 858,941.44, 1,288,570.56 and 282,597.12 is: 423,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,941.44 : 1,288,570.56 = 282,597.12 : x
  2. Step 2: Convert to fraction form
    858,941.44/1,288,570.56 = 282,597.12/x
  3. Step 3: Cross multiply
    858,941.44x = 1,288,570.56 × 282,597.12
  4. Step 4: Simplify right side
    858,941.44x = 364,146,329,172.79
  5. Step 5: Solve for x
    x = 364,146,329,172.79/858,941.44
  6. Step 6: Final answer
    x = 423,947.79

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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.