Home / 940,418.56-1,297,705.72-553,249.40

Finding the Fourth Proportional to 940,418.56, 1,297,705.72 and 553,249.40

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Solution

The fourth proportional to 940,418.56, 1,297,705.72 and 553,249.40 is: 763,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,418.56 : 1,297,705.72 = 553,249.40 : x
  2. Step 2: Convert to fraction form
    940,418.56/1,297,705.72 = 553,249.40/x
  3. Step 3: Cross multiply
    940,418.56x = 1,297,705.72 × 553,249.40
  4. Step 4: Simplify right side
    940,418.56x = 717,954,910,966.57
  5. Step 5: Solve for x
    x = 717,954,910,966.57/940,418.56
  6. Step 6: Final answer
    x = 763,441.88

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1.5x scale

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.