Home / 888,101.37-1,225,580.77-480,203.11

Finding the Fourth Proportional to 888,101.37, 1,225,580.77 and 480,203.11

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Solution

The fourth proportional to 888,101.37, 1,225,580.77 and 480,203.11 is: 662,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,101.37 : 1,225,580.77 = 480,203.11 : x
  2. Step 2: Convert to fraction form
    888,101.37/1,225,580.77 = 480,203.11/x
  3. Step 3: Cross multiply
    888,101.37x = 1,225,580.77 × 480,203.11
  4. Step 4: Simplify right side
    888,101.37x = 588,527,699,442.43
  5. Step 5: Solve for x
    x = 588,527,699,442.43/888,101.37
  6. Step 6: Final answer
    x = 662,680.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.