Home / 948,325.20-1,308,291.83-621,716.63

Finding the Fourth Proportional to 948,325.20, 1,308,291.83 and 621,716.63

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Solution

The fourth proportional to 948,325.20, 1,308,291.83 and 621,716.63 is: 857,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,325.20 : 1,308,291.83 = 621,716.63 : x
  2. Step 2: Convert to fraction form
    948,325.20/1,308,291.83 = 621,716.63/x
  3. Step 3: Cross multiply
    948,325.20x = 1,308,291.83 × 621,716.63
  4. Step 4: Simplify right side
    948,325.20x = 813,386,777,954.09
  5. Step 5: Solve for x
    x = 813,386,777,954.09/948,325.20
  6. Step 6: Final answer
    x = 857,708.70

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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.