Home / 788,998.59-1,088,552.12-449,226.27

Finding the Fourth Proportional to 788,998.59, 1,088,552.12 and 449,226.27

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Solution

The fourth proportional to 788,998.59, 1,088,552.12 and 449,226.27 is: 619,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,998.59 : 1,088,552.12 = 449,226.27 : x
  2. Step 2: Convert to fraction form
    788,998.59/1,088,552.12 = 449,226.27/x
  3. Step 3: Cross multiply
    788,998.59x = 1,088,552.12 × 449,226.27
  4. Step 4: Simplify right side
    788,998.59x = 489,006,206,322.06
  5. Step 5: Solve for x
    x = 489,006,206,322.06/788,998.59
  6. Step 6: Final answer
    x = 619,780.84

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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.