Home / 940,361.97-1,297,704.32-510,642.10

Finding the Fourth Proportional to 940,361.97, 1,297,704.32 and 510,642.10

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Solution

The fourth proportional to 940,361.97, 1,297,704.32 and 510,642.10 is: 704,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,361.97 : 1,297,704.32 = 510,642.10 : x
  2. Step 2: Convert to fraction form
    940,361.97/1,297,704.32 = 510,642.10/x
  3. Step 3: Cross multiply
    940,361.97x = 1,297,704.32 × 510,642.10
  4. Step 4: Simplify right side
    940,361.97x = 662,662,455,041.73
  5. Step 5: Solve for x
    x = 662,662,455,041.73/940,361.97
  6. Step 6: Final answer
    x = 704,688.70

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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.