Home / 905,122.67-1,249,028.88-542,746.49

Finding the Fourth Proportional to 905,122.67, 1,249,028.88 and 542,746.49

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Solution

The fourth proportional to 905,122.67, 1,249,028.88 and 542,746.49 is: 748,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,122.67 : 1,249,028.88 = 542,746.49 : x
  2. Step 2: Convert to fraction form
    905,122.67/1,249,028.88 = 542,746.49/x
  3. Step 3: Cross multiply
    905,122.67x = 1,249,028.88 × 542,746.49
  4. Step 4: Simplify right side
    905,122.67x = 677,906,040,528.63
  5. Step 5: Solve for x
    x = 677,906,040,528.63/905,122.67
  6. Step 6: Final answer
    x = 748,965.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.