Home / 982,515.80-1,355,775.08-552,786.50

Finding the Fourth Proportional to 982,515.80, 1,355,775.08 and 552,786.50

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Solution

The fourth proportional to 982,515.80, 1,355,775.08 and 552,786.50 is: 762,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,515.80 : 1,355,775.08 = 552,786.50 : x
  2. Step 2: Convert to fraction form
    982,515.80/1,355,775.08 = 552,786.50/x
  3. Step 3: Cross multiply
    982,515.80x = 1,355,775.08 × 552,786.50
  4. Step 4: Simplify right side
    982,515.80x = 749,454,161,260.42
  5. Step 5: Solve for x
    x = 749,454,161,260.42/982,515.80
  6. Step 6: Final answer
    x = 762,790.95

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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.