Home / 801,711.32-1,106,361.16-439,157.66

Finding the Fourth Proportional to 801,711.32, 1,106,361.16 and 439,157.66

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Solution

The fourth proportional to 801,711.32, 1,106,361.16 and 439,157.66 is: 606,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,711.32 : 1,106,361.16 = 439,157.66 : x
  2. Step 2: Convert to fraction form
    801,711.32/1,106,361.16 = 439,157.66/x
  3. Step 3: Cross multiply
    801,711.32x = 1,106,361.16 × 439,157.66
  4. Step 4: Simplify right side
    801,711.32x = 485,866,971,510.79
  5. Step 5: Solve for x
    x = 485,866,971,510.79/801,711.32
  6. Step 6: Final answer
    x = 606,037.31

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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.