Home / 842,862.40-1,264,293.60-488,787.10

Finding the Fourth Proportional to 842,862.40, 1,264,293.60 and 488,787.10

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Solution

The fourth proportional to 842,862.40, 1,264,293.60 and 488,787.10 is: 733,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,862.40 : 1,264,293.60 = 488,787.10 : x
  2. Step 2: Convert to fraction form
    842,862.40/1,264,293.60 = 488,787.10/x
  3. Step 3: Cross multiply
    842,862.40x = 1,264,293.60 × 488,787.10
  4. Step 4: Simplify right side
    842,862.40x = 617,970,402,292.56
  5. Step 5: Solve for x
    x = 617,970,402,292.56/842,862.40
  6. Step 6: Final answer
    x = 733,180.65

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1.5x scale

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.