Home / 975,347.22-1,345,926.78-539,745.42

Finding the Fourth Proportional to 975,347.22, 1,345,926.78 and 539,745.42

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Solution

The fourth proportional to 975,347.22, 1,345,926.78 and 539,745.42 is: 744,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,347.22 : 1,345,926.78 = 539,745.42 : x
  2. Step 2: Convert to fraction form
    975,347.22/1,345,926.78 = 539,745.42/x
  3. Step 3: Cross multiply
    975,347.22x = 1,345,926.78 × 539,745.42
  4. Step 4: Simplify right side
    975,347.22x = 726,457,815,160.35
  5. Step 5: Solve for x
    x = 726,457,815,160.35/975,347.22
  6. Step 6: Final answer
    x = 744,819.69

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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.