Home / 808,688.66-1,212,825.39-239,935.21

Finding the Fourth Proportional to 808,688.66, 1,212,825.39 and 239,935.21

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Solution

The fourth proportional to 808,688.66, 1,212,825.39 and 239,935.21 is: 359,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,688.66 : 1,212,825.39 = 239,935.21 : x
  2. Step 2: Convert to fraction form
    808,688.66/1,212,825.39 = 239,935.21/x
  3. Step 3: Cross multiply
    808,688.66x = 1,212,825.39 × 239,935.21
  4. Step 4: Simplify right side
    808,688.66x = 290,999,514,642.98
  5. Step 5: Solve for x
    x = 290,999,514,642.98/808,688.66
  6. Step 6: Final answer
    x = 359,841.22

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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.