Home / 777,957.40-1,166,936.10-730,718.20

Finding the Fourth Proportional to 777,957.40, 1,166,936.10 and 730,718.20

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Solution

The fourth proportional to 777,957.40, 1,166,936.10 and 730,718.20 is: 1,096,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,957.40 : 1,166,936.10 = 730,718.20 : x
  2. Step 2: Convert to fraction form
    777,957.40/1,166,936.10 = 730,718.20/x
  3. Step 3: Cross multiply
    777,957.40x = 1,166,936.10 × 730,718.20
  4. Step 4: Simplify right side
    777,957.40x = 852,701,446,507.02
  5. Step 5: Solve for x
    x = 852,701,446,507.02/777,957.40
  6. Step 6: Final answer
    x = 1,096,077.30

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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.