Home / 948,776.57-1,415,712.89-890,869.31

Finding the Fourth Proportional to 948,776.57, 1,415,712.89 and 890,869.31

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Solution

The fourth proportional to 948,776.57, 1,415,712.89 and 890,869.31 is: 1,329,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,776.57 : 1,415,712.89 = 890,869.31 : x
  2. Step 2: Convert to fraction form
    948,776.57/1,415,712.89 = 890,869.31/x
  3. Step 3: Cross multiply
    948,776.57x = 1,415,712.89 × 890,869.31
  4. Step 4: Simplify right side
    948,776.57x = 1,261,215,171,238.86
  5. Step 5: Solve for x
    x = 1,261,215,171,238.86/948,776.57
  6. Step 6: Final answer
    x = 1,329,306.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.