Home / 801,860.61-1,106,567.55-479,570.66

Finding the Fourth Proportional to 801,860.61, 1,106,567.55 and 479,570.66

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Solution

The fourth proportional to 801,860.61, 1,106,567.55 and 479,570.66 is: 661,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,860.61 : 1,106,567.55 = 479,570.66 : x
  2. Step 2: Convert to fraction form
    801,860.61/1,106,567.55 = 479,570.66/x
  3. Step 3: Cross multiply
    801,860.61x = 1,106,567.55 × 479,570.66
  4. Step 4: Simplify right side
    801,860.61x = 530,677,324,755.25
  5. Step 5: Solve for x
    x = 530,677,324,755.25/801,860.61
  6. Step 6: Final answer
    x = 661,807.45

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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.