Home / 781,004.04-1,170,168.60-426,267

Finding the Fourth Proportional to 781,004.04, 1,170,168.60 and 426,267

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Solution

The fourth proportional to 781,004.04, 1,170,168.60 and 426,267 is: 638,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,004.04 : 1,170,168.60 = 426,267 : x
  2. Step 2: Convert to fraction form
    781,004.04/1,170,168.60 = 426,267/x
  3. Step 3: Cross multiply
    781,004.04x = 1,170,168.60 × 426,267
  4. Step 4: Simplify right side
    781,004.04x = 498,804,258,616.20
  5. Step 5: Solve for x
    x = 498,804,258,616.20/781,004.04
  6. Step 6: Final answer
    x = 638,670.52

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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.