Home / 680,747.48-1,021,665.54-306,799.64

Finding the Fourth Proportional to 680,747.48, 1,021,665.54 and 306,799.64

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Solution

The fourth proportional to 680,747.48, 1,021,665.54 and 306,799.64 is: 460,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,747.48 : 1,021,665.54 = 306,799.64 : x
  2. Step 2: Convert to fraction form
    680,747.48/1,021,665.54 = 306,799.64/x
  3. Step 3: Cross multiply
    680,747.48x = 1,021,665.54 × 306,799.64
  4. Step 4: Simplify right side
    680,747.48x = 313,446,619,872.41
  5. Step 5: Solve for x
    x = 313,446,619,872.41/680,747.48
  6. Step 6: Final answer
    x = 460,444.77

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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.