Home / 801,860.49-1,106,567.38-479,570.53

Finding the Fourth Proportional to 801,860.49, 1,106,567.38 and 479,570.53

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Solution

The fourth proportional to 801,860.49, 1,106,567.38 and 479,570.53 is: 661,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,860.49 : 1,106,567.38 = 479,570.53 : x
  2. Step 2: Convert to fraction form
    801,860.49/1,106,567.38 = 479,570.53/x
  3. Step 3: Cross multiply
    801,860.49x = 1,106,567.38 × 479,570.53
  4. Step 4: Simplify right side
    801,860.49x = 530,677,103,708.39
  5. Step 5: Solve for x
    x = 530,677,103,708.39/801,860.49
  6. Step 6: Final answer
    x = 661,807.28

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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.