Home / 715,340.80-1,072,034.34-360,594.82

Finding the Fourth Proportional to 715,340.80, 1,072,034.34 and 360,594.82

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Solution

The fourth proportional to 715,340.80, 1,072,034.34 and 360,594.82 is: 540,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,340.80 : 1,072,034.34 = 360,594.82 : x
  2. Step 2: Convert to fraction form
    715,340.80/1,072,034.34 = 360,594.82/x
  3. Step 3: Cross multiply
    715,340.80x = 1,072,034.34 × 360,594.82
  4. Step 4: Simplify right side
    715,340.80x = 386,570,029,866.12
  5. Step 5: Solve for x
    x = 386,570,029,866.12/715,340.80
  6. Step 6: Final answer
    x = 540,399.81

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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.