Home / 948,329.70-1,308,298.05-621,721.14

Finding the Fourth Proportional to 948,329.70, 1,308,298.05 and 621,721.14

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Solution

The fourth proportional to 948,329.70, 1,308,298.05 and 621,721.14 is: 857,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,329.70 : 1,308,298.05 = 621,721.14 : x
  2. Step 2: Convert to fraction form
    948,329.70/1,308,298.05 = 621,721.14/x
  3. Step 3: Cross multiply
    948,329.70x = 1,308,298.05 × 621,721.14
  4. Step 4: Simplify right side
    948,329.70x = 813,396,555,105.78
  5. Step 5: Solve for x
    x = 813,396,555,105.78/948,329.70
  6. Step 6: Final answer
    x = 857,714.94

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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.