Home / 909,788.22-1,255,520.80-527,930.46

Finding the Fourth Proportional to 909,788.22, 1,255,520.80 and 527,930.46

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Solution

The fourth proportional to 909,788.22, 1,255,520.80 and 527,930.46 is: 728,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,788.22 : 1,255,520.80 = 527,930.46 : x
  2. Step 2: Convert to fraction form
    909,788.22/1,255,520.80 = 527,930.46/x
  3. Step 3: Cross multiply
    909,788.22x = 1,255,520.80 × 527,930.46
  4. Step 4: Simplify right side
    909,788.22x = 662,827,673,483.57
  5. Step 5: Solve for x
    x = 662,827,673,483.57/909,788.22
  6. Step 6: Final answer
    x = 728,551.61

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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.