Home / 777,742.02-1,166,631.39-209,124.18

Finding the Fourth Proportional to 777,742.02, 1,166,631.39 and 209,124.18

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Solution

The fourth proportional to 777,742.02, 1,166,631.39 and 209,124.18 is: 313,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,742.02 : 1,166,631.39 = 209,124.18 : x
  2. Step 2: Convert to fraction form
    777,742.02/1,166,631.39 = 209,124.18/x
  3. Step 3: Cross multiply
    777,742.02x = 1,166,631.39 × 209,124.18
  4. Step 4: Simplify right side
    777,742.02x = 243,970,832,796.01
  5. Step 5: Solve for x
    x = 243,970,832,796.01/777,742.02
  6. Step 6: Final answer
    x = 313,691.21

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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.