Home / 826,355.45-1,140,372.72-458,833.27

Finding the Fourth Proportional to 826,355.45, 1,140,372.72 and 458,833.27

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Solution

The fourth proportional to 826,355.45, 1,140,372.72 and 458,833.27 is: 633,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,355.45 : 1,140,372.72 = 458,833.27 : x
  2. Step 2: Convert to fraction form
    826,355.45/1,140,372.72 = 458,833.27/x
  3. Step 3: Cross multiply
    826,355.45x = 1,140,372.72 × 458,833.27
  4. Step 4: Simplify right side
    826,355.45x = 523,240,938,925.90
  5. Step 5: Solve for x
    x = 523,240,938,925.90/826,355.45
  6. Step 6: Final answer
    x = 633,191.13

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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.