Home / 909,435.10-1,363,777.31-310,444.56

Finding the Fourth Proportional to 909,435.10, 1,363,777.31 and 310,444.56

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Solution

The fourth proportional to 909,435.10, 1,363,777.31 and 310,444.56 is: 465,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,435.10 : 1,363,777.31 = 310,444.56 : x
  2. Step 2: Convert to fraction form
    909,435.10/1,363,777.31 = 310,444.56/x
  3. Step 3: Cross multiply
    909,435.10x = 1,363,777.31 × 310,444.56
  4. Step 4: Simplify right side
    909,435.10x = 423,377,246,940.93
  5. Step 5: Solve for x
    x = 423,377,246,940.93/909,435.10
  6. Step 6: Final answer
    x = 465,538.71

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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.