Home / 948,475.71-1,422,787.77-274,567.11

Finding the Fourth Proportional to 948,475.71, 1,422,787.77 and 274,567.11

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Solution

The fourth proportional to 948,475.71, 1,422,787.77 and 274,567.11 is: 411,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,475.71 : 1,422,787.77 = 274,567.11 : x
  2. Step 2: Convert to fraction form
    948,475.71/1,422,787.77 = 274,567.11/x
  3. Step 3: Cross multiply
    948,475.71x = 1,422,787.77 × 274,567.11
  4. Step 4: Simplify right side
    948,475.71x = 390,650,726,152.25
  5. Step 5: Solve for x
    x = 390,650,726,152.25/948,475.71
  6. Step 6: Final answer
    x = 411,872.15

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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.