Home / 969,172.83-1,337,458.56-539,443.74

Finding the Fourth Proportional to 969,172.83, 1,337,458.56 and 539,443.74

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Solution

The fourth proportional to 969,172.83, 1,337,458.56 and 539,443.74 is: 744,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,172.83 : 1,337,458.56 = 539,443.74 : x
  2. Step 2: Convert to fraction form
    969,172.83/1,337,458.56 = 539,443.74/x
  3. Step 3: Cross multiply
    969,172.83x = 1,337,458.56 × 539,443.74
  4. Step 4: Simplify right side
    969,172.83x = 721,483,647,701.41
  5. Step 5: Solve for x
    x = 721,483,647,701.41/969,172.83
  6. Step 6: Final answer
    x = 744,432.39

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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.