Home / 783,133.85-1,174,700.78-659,130.95

Finding the Fourth Proportional to 783,133.85, 1,174,700.78 and 659,130.95

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Solution

The fourth proportional to 783,133.85, 1,174,700.78 and 659,130.95 is: 988,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,133.85 : 1,174,700.78 = 659,130.95 : x
  2. Step 2: Convert to fraction form
    783,133.85/1,174,700.78 = 659,130.95/x
  3. Step 3: Cross multiply
    783,133.85x = 1,174,700.78 × 659,130.95
  4. Step 4: Simplify right side
    783,133.85x = 774,281,637,791.49
  5. Step 5: Solve for x
    x = 774,281,637,791.49/783,133.85
  6. Step 6: Final answer
    x = 988,696.43

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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.