Home / 789,903.18-1,185,335.91-284,421.87

Finding the Fourth Proportional to 789,903.18, 1,185,335.91 and 284,421.87

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Solution

The fourth proportional to 789,903.18, 1,185,335.91 and 284,421.87 is: 426,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,903.18 : 1,185,335.91 = 284,421.87 : x
  2. Step 2: Convert to fraction form
    789,903.18/1,185,335.91 = 284,421.87/x
  3. Step 3: Cross multiply
    789,903.18x = 1,185,335.91 × 284,421.87
  4. Step 4: Simplify right side
    789,903.18x = 337,135,456,100.35
  5. Step 5: Solve for x
    x = 337,135,456,100.35/789,903.18
  6. Step 6: Final answer
    x = 426,806.05

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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.