Home / 780,729.30-1,171,093.95-465,801.30

Finding the Fourth Proportional to 780,729.30, 1,171,093.95 and 465,801.30

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Solution

The fourth proportional to 780,729.30, 1,171,093.95 and 465,801.30 is: 698,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,729.30 : 1,171,093.95 = 465,801.30 : x
  2. Step 2: Convert to fraction form
    780,729.30/1,171,093.95 = 465,801.30/x
  3. Step 3: Cross multiply
    780,729.30x = 1,171,093.95 × 465,801.30
  4. Step 4: Simplify right side
    780,729.30x = 545,497,084,332.14
  5. Step 5: Solve for x
    x = 545,497,084,332.14/780,729.30
  6. Step 6: Final answer
    x = 698,701.95

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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.