Home / 654,966.09-903,780.90-368,481.33

Finding the Fourth Proportional to 654,966.09, 903,780.90 and 368,481.33

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Solution

The fourth proportional to 654,966.09, 903,780.90 and 368,481.33 is: 508,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,966.09 : 903,780.90 = 368,481.33 : x
  2. Step 2: Convert to fraction form
    654,966.09/903,780.90 = 368,481.33/x
  3. Step 3: Cross multiply
    654,966.09x = 903,780.90 × 368,481.33
  4. Step 4: Simplify right side
    654,966.09x = 333,026,388,718.83
  5. Step 5: Solve for x
    x = 333,026,388,718.83/654,966.09
  6. Step 6: Final answer
    x = 508,463.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.