Home / 897,834.39-1,346,452.79-290,478.44

Finding the Fourth Proportional to 897,834.39, 1,346,452.79 and 290,478.44

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Solution

The fourth proportional to 897,834.39, 1,346,452.79 and 290,478.44 is: 435,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,834.39 : 1,346,452.79 = 290,478.44 : x
  2. Step 2: Convert to fraction form
    897,834.39/1,346,452.79 = 290,478.44/x
  3. Step 3: Cross multiply
    897,834.39x = 1,346,452.79 × 290,478.44
  4. Step 4: Simplify right side
    897,834.39x = 391,115,497,788.19
  5. Step 5: Solve for x
    x = 391,115,497,788.19/897,834.39
  6. Step 6: Final answer
    x = 435,620.98

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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.