Home / 805,364.93-1,208,019.44-206,332.07

Finding the Fourth Proportional to 805,364.93, 1,208,019.44 and 206,332.07

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Solution

The fourth proportional to 805,364.93, 1,208,019.44 and 206,332.07 is: 309,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,364.93 : 1,208,019.44 = 206,332.07 : x
  2. Step 2: Convert to fraction form
    805,364.93/1,208,019.44 = 206,332.07/x
  3. Step 3: Cross multiply
    805,364.93x = 1,208,019.44 × 206,332.07
  4. Step 4: Simplify right side
    805,364.93x = 249,253,144,583.68
  5. Step 5: Solve for x
    x = 249,253,144,583.68/805,364.93
  6. Step 6: Final answer
    x = 309,490.94

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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.