Home / 849,660.44-1,172,394.20-487,017.56

Finding the Fourth Proportional to 849,660.44, 1,172,394.20 and 487,017.56

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Solution

The fourth proportional to 849,660.44, 1,172,394.20 and 487,017.56 is: 672,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,660.44 : 1,172,394.20 = 487,017.56 : x
  2. Step 2: Convert to fraction form
    849,660.44/1,172,394.20 = 487,017.56/x
  3. Step 3: Cross multiply
    849,660.44x = 1,172,394.20 × 487,017.56
  4. Step 4: Simplify right side
    849,660.44x = 570,976,566,790.68
  5. Step 5: Solve for x
    x = 570,976,566,790.68/849,660.44
  6. Step 6: Final answer
    x = 672,005.60

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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.