Home / 715,135.06-1,072,685.94-360,053.74

Finding the Fourth Proportional to 715,135.06, 1,072,685.94 and 360,053.74

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Solution

The fourth proportional to 715,135.06, 1,072,685.94 and 360,053.74 is: 540,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,135.06 : 1,072,685.94 = 360,053.74 : x
  2. Step 2: Convert to fraction form
    715,135.06/1,072,685.94 = 360,053.74/x
  3. Step 3: Cross multiply
    715,135.06x = 1,072,685.94 × 360,053.74
  4. Step 4: Simplify right side
    715,135.06x = 386,224,584,542.42
  5. Step 5: Solve for x
    x = 386,224,584,542.42/715,135.06
  6. Step 6: Final answer
    x = 540,072.23

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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.