Home / 938,647.74-1,295,512.47-556,885.02

Finding the Fourth Proportional to 938,647.74, 1,295,512.47 and 556,885.02

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Solution

The fourth proportional to 938,647.74, 1,295,512.47 and 556,885.02 is: 768,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,647.74 : 1,295,512.47 = 556,885.02 : x
  2. Step 2: Convert to fraction form
    938,647.74/1,295,512.47 = 556,885.02/x
  3. Step 3: Cross multiply
    938,647.74x = 1,295,512.47 × 556,885.02
  4. Step 4: Simplify right side
    938,647.74x = 721,451,487,766.20
  5. Step 5: Solve for x
    x = 721,451,487,766.20/938,647.74
  6. Step 6: Final answer
    x = 768,607.28

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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.