Home / 650,827.55-898,115.77-378,903.26

Finding the Fourth Proportional to 650,827.55, 898,115.77 and 378,903.26

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Solution

The fourth proportional to 650,827.55, 898,115.77 and 378,903.26 is: 522,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,827.55 : 898,115.77 = 378,903.26 : x
  2. Step 2: Convert to fraction form
    650,827.55/898,115.77 = 378,903.26/x
  3. Step 3: Cross multiply
    650,827.55x = 898,115.77 × 378,903.26
  4. Step 4: Simplify right side
    650,827.55x = 340,298,993,110.41
  5. Step 5: Solve for x
    x = 340,298,993,110.41/650,827.55
  6. Step 6: Final answer
    x = 522,871.22

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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.