Home / 787,281.66-1,181,109.87-254,802.71

Finding the Fourth Proportional to 787,281.66, 1,181,109.87 and 254,802.71

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Solution

The fourth proportional to 787,281.66, 1,181,109.87 and 254,802.71 is: 382,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,281.66 : 1,181,109.87 = 254,802.71 : x
  2. Step 2: Convert to fraction form
    787,281.66/1,181,109.87 = 254,802.71/x
  3. Step 3: Cross multiply
    787,281.66x = 1,181,109.87 × 254,802.71
  4. Step 4: Simplify right side
    787,281.66x = 300,949,998,636.52
  5. Step 5: Solve for x
    x = 300,949,998,636.52/787,281.66
  6. Step 6: Final answer
    x = 382,264.71

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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.