Home / 777,283.87-1,166,264.64-272,207.16

Finding the Fourth Proportional to 777,283.87, 1,166,264.64 and 272,207.16

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Solution

The fourth proportional to 777,283.87, 1,166,264.64 and 272,207.16 is: 408,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,283.87 : 1,166,264.64 = 272,207.16 : x
  2. Step 2: Convert to fraction form
    777,283.87/1,166,264.64 = 272,207.16/x
  3. Step 3: Cross multiply
    777,283.87x = 1,166,264.64 × 272,207.16
  4. Step 4: Simplify right side
    777,283.87x = 317,465,585,462.82
  5. Step 5: Solve for x
    x = 317,465,585,462.82/777,283.87
  6. Step 6: Final answer
    x = 408,429.40

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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.