Home / 888,643.60-1,225,553.04-630,009.52

Finding the Fourth Proportional to 888,643.60, 1,225,553.04 and 630,009.52

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Solution

The fourth proportional to 888,643.60, 1,225,553.04 and 630,009.52 is: 868,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,643.60 : 1,225,553.04 = 630,009.52 : x
  2. Step 2: Convert to fraction form
    888,643.60/1,225,553.04 = 630,009.52/x
  3. Step 3: Cross multiply
    888,643.60x = 1,225,553.04 × 630,009.52
  4. Step 4: Simplify right side
    888,643.60x = 772,110,082,464.94
  5. Step 5: Solve for x
    x = 772,110,082,464.94/888,643.60
  6. Step 6: Final answer
    x = 868,863.61

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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.