Home / 293,787.46-402,786.34-288,473.05

Finding the Fourth Proportional to 293,787.46, 402,786.34 and 288,473.05

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Solution

The fourth proportional to 293,787.46, 402,786.34 and 288,473.05 is: 395,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,787.46 : 402,786.34 = 288,473.05 : x
  2. Step 2: Convert to fraction form
    293,787.46/402,786.34 = 288,473.05/x
  3. Step 3: Cross multiply
    293,787.46x = 402,786.34 × 288,473.05
  4. Step 4: Simplify right side
    293,787.46x = 116,193,003,998.14
  5. Step 5: Solve for x
    x = 116,193,003,998.14/293,787.46
  6. Step 6: Final answer
    x = 395,500.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.