Home / 723,112.80-1,084,724.64-243,342.96

Finding the Fourth Proportional to 723,112.80, 1,084,724.64 and 243,342.96

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Solution

The fourth proportional to 723,112.80, 1,084,724.64 and 243,342.96 is: 365,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,112.80 : 1,084,724.64 = 243,342.96 : x
  2. Step 2: Convert to fraction form
    723,112.80/1,084,724.64 = 243,342.96/x
  3. Step 3: Cross multiply
    723,112.80x = 1,084,724.64 × 243,342.96
  4. Step 4: Simplify right side
    723,112.80x = 263,960,104,682.53
  5. Step 5: Solve for x
    x = 263,960,104,682.53/723,112.80
  6. Step 6: Final answer
    x = 365,033.10

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1.5x scale

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.