Home / 835,380.10-1,148,392.56-718,667.66

Finding the Fourth Proportional to 835,380.10, 1,148,392.56 and 718,667.66

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Solution

The fourth proportional to 835,380.10, 1,148,392.56 and 718,667.66 is: 987,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,380.10 : 1,148,392.56 = 718,667.66 : x
  2. Step 2: Convert to fraction form
    835,380.10/1,148,392.56 = 718,667.66/x
  3. Step 3: Cross multiply
    835,380.10x = 1,148,392.56 × 718,667.66
  4. Step 4: Simplify right side
    835,380.10x = 825,312,588,114.65
  5. Step 5: Solve for x
    x = 825,312,588,114.65/835,380.10
  6. Step 6: Final answer
    x = 987,948.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.