Home / 887,194.60-1,330,986.30-288,053.80

Finding the Fourth Proportional to 887,194.60, 1,330,986.30 and 288,053.80

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Solution

The fourth proportional to 887,194.60, 1,330,986.30 and 288,053.80 is: 432,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,194.60 : 1,330,986.30 = 288,053.80 : x
  2. Step 2: Convert to fraction form
    887,194.60/1,330,986.30 = 288,053.80/x
  3. Step 3: Cross multiply
    887,194.60x = 1,330,986.30 × 288,053.80
  4. Step 4: Simplify right side
    887,194.60x = 383,395,661,462.94
  5. Step 5: Solve for x
    x = 383,395,661,462.94/887,194.60
  6. Step 6: Final answer
    x = 432,143.82

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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.