Home / 855,634.01-1,180,788.86-468,442.90

Finding the Fourth Proportional to 855,634.01, 1,180,788.86 and 468,442.90

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Solution

The fourth proportional to 855,634.01, 1,180,788.86 and 468,442.90 is: 646,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,634.01 : 1,180,788.86 = 468,442.90 : x
  2. Step 2: Convert to fraction form
    855,634.01/1,180,788.86 = 468,442.90/x
  3. Step 3: Cross multiply
    855,634.01x = 1,180,788.86 × 468,442.90
  4. Step 4: Simplify right side
    855,634.01x = 553,132,157,866.09
  5. Step 5: Solve for x
    x = 553,132,157,866.09/855,634.01
  6. Step 6: Final answer
    x = 646,458.83

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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.