Home / 786,729.60-1,181,260.80-471,801.60

Finding the Fourth Proportional to 786,729.60, 1,181,260.80 and 471,801.60

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Solution

The fourth proportional to 786,729.60, 1,181,260.80 and 471,801.60 is: 708,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,729.60 : 1,181,260.80 = 471,801.60 : x
  2. Step 2: Convert to fraction form
    786,729.60/1,181,260.80 = 471,801.60/x
  3. Step 3: Cross multiply
    786,729.60x = 1,181,260.80 × 471,801.60
  4. Step 4: Simplify right side
    786,729.60x = 557,320,735,457.28
  5. Step 5: Solve for x
    x = 557,320,735,457.28/786,729.60
  6. Step 6: Final answer
    x = 708,401.89

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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.