Home / 909,437.70-1,363,781.19-310,447.14

Finding the Fourth Proportional to 909,437.70, 1,363,781.19 and 310,447.14

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Solution

The fourth proportional to 909,437.70, 1,363,781.19 and 310,447.14 is: 465,542.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,437.70 : 1,363,781.19 = 310,447.14 : x
  2. Step 2: Convert to fraction form
    909,437.70/1,363,781.19 = 310,447.14/x
  3. Step 3: Cross multiply
    909,437.70x = 1,363,781.19 × 310,447.14
  4. Step 4: Simplify right side
    909,437.70x = 423,381,970,021.30
  5. Step 5: Solve for x
    x = 423,381,970,021.30/909,437.70
  6. Step 6: Final answer
    x = 465,542.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.