Home / 842,908.20-1,264,362.30-488,614.20

Finding the Fourth Proportional to 842,908.20, 1,264,362.30 and 488,614.20

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Solution

The fourth proportional to 842,908.20, 1,264,362.30 and 488,614.20 is: 732,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,908.20 : 1,264,362.30 = 488,614.20 : x
  2. Step 2: Convert to fraction form
    842,908.20/1,264,362.30 = 488,614.20/x
  3. Step 3: Cross multiply
    842,908.20x = 1,264,362.30 × 488,614.20
  4. Step 4: Simplify right side
    842,908.20x = 617,785,373,724.66
  5. Step 5: Solve for x
    x = 617,785,373,724.66/842,908.20
  6. Step 6: Final answer
    x = 732,921.30

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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.