Home / 778,276.33-1,167,352.18-346,127.60

Finding the Fourth Proportional to 778,276.33, 1,167,352.18 and 346,127.60

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Solution

The fourth proportional to 778,276.33, 1,167,352.18 and 346,127.60 is: 519,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,276.33 : 1,167,352.18 = 346,127.60 : x
  2. Step 2: Convert to fraction form
    778,276.33/1,167,352.18 = 346,127.60/x
  3. Step 3: Cross multiply
    778,276.33x = 1,167,352.18 × 346,127.60
  4. Step 4: Simplify right side
    778,276.33x = 404,052,810,471.23
  5. Step 5: Solve for x
    x = 404,052,810,471.23/778,276.33
  6. Step 6: Final answer
    x = 519,163.69

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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.