Home / 493,320.70-680,780.06-266,966.20

Finding the Fourth Proportional to 493,320.70, 680,780.06 and 266,966.20

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Solution

The fourth proportional to 493,320.70, 680,780.06 and 266,966.20 is: 368,412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,320.70 : 680,780.06 = 266,966.20 : x
  2. Step 2: Convert to fraction form
    493,320.70/680,780.06 = 266,966.20/x
  3. Step 3: Cross multiply
    493,320.70x = 680,780.06 × 266,966.20
  4. Step 4: Simplify right side
    493,320.70x = 181,745,265,653.97
  5. Step 5: Solve for x
    x = 181,745,265,653.97/493,320.70
  6. Step 6: Final answer
    x = 368,412.00

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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.