Home / 948,669.89-1,420,724.66-542,631.69

Finding the Fourth Proportional to 948,669.89, 1,420,724.66 and 542,631.69

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Solution

The fourth proportional to 948,669.89, 1,420,724.66 and 542,631.69 is: 812,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,669.89 : 1,420,724.66 = 542,631.69 : x
  2. Step 2: Convert to fraction form
    948,669.89/1,420,724.66 = 542,631.69/x
  3. Step 3: Cross multiply
    948,669.89x = 1,420,724.66 × 542,631.69
  4. Step 4: Simplify right side
    948,669.89x = 770,930,220,567.32
  5. Step 5: Solve for x
    x = 770,930,220,567.32/948,669.89
  6. Step 6: Final answer
    x = 812,643.29

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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.