Home / 893,613.80-1,340,421.39-253,834.97

Finding the Fourth Proportional to 893,613.80, 1,340,421.39 and 253,834.97

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Solution

The fourth proportional to 893,613.80, 1,340,421.39 and 253,834.97 is: 380,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,613.80 : 1,340,421.39 = 253,834.97 : x
  2. Step 2: Convert to fraction form
    893,613.80/1,340,421.39 = 253,834.97/x
  3. Step 3: Cross multiply
    893,613.80x = 1,340,421.39 × 253,834.97
  4. Step 4: Simplify right side
    893,613.80x = 340,245,816,615.90
  5. Step 5: Solve for x
    x = 340,245,816,615.90/893,613.80
  6. Step 6: Final answer
    x = 380,752.65

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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.