Home / 870,201.26-1,200,859.12-482,994.10

Finding the Fourth Proportional to 870,201.26, 1,200,859.12 and 482,994.10

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Solution

The fourth proportional to 870,201.26, 1,200,859.12 and 482,994.10 is: 666,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,201.26 : 1,200,859.12 = 482,994.10 : x
  2. Step 2: Convert to fraction form
    870,201.26/1,200,859.12 = 482,994.10/x
  3. Step 3: Cross multiply
    870,201.26x = 1,200,859.12 × 482,994.10
  4. Step 4: Simplify right side
    870,201.26x = 580,007,873,684.72
  5. Step 5: Solve for x
    x = 580,007,873,684.72/870,201.26
  6. Step 6: Final answer
    x = 666,521.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.