Home / 787,291.54-1,086,985.24-605,683.06

Finding the Fourth Proportional to 787,291.54, 1,086,985.24 and 605,683.06

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Solution

The fourth proportional to 787,291.54, 1,086,985.24 and 605,683.06 is: 836,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,291.54 : 1,086,985.24 = 605,683.06 : x
  2. Step 2: Convert to fraction form
    787,291.54/1,086,985.24 = 605,683.06/x
  3. Step 3: Cross multiply
    787,291.54x = 1,086,985.24 × 605,683.06
  4. Step 4: Simplify right side
    787,291.54x = 658,368,542,106.36
  5. Step 5: Solve for x
    x = 658,368,542,106.36/787,291.54
  6. Step 6: Final answer
    x = 836,244.91

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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.