Home / 776,628.80-1,164,981.60-403,380.80

Finding the Fourth Proportional to 776,628.80, 1,164,981.60 and 403,380.80

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Solution

The fourth proportional to 776,628.80, 1,164,981.60 and 403,380.80 is: 605,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,628.80 : 1,164,981.60 = 403,380.80 : x
  2. Step 2: Convert to fraction form
    776,628.80/1,164,981.60 = 403,380.80/x
  3. Step 3: Cross multiply
    776,628.80x = 1,164,981.60 × 403,380.80
  4. Step 4: Simplify right side
    776,628.80x = 469,931,209,793.28
  5. Step 5: Solve for x
    x = 469,931,209,793.28/776,628.80
  6. Step 6: Final answer
    x = 605,091.14

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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.