Home / 489,032.20-732,857.10-301,486.60

Finding the Fourth Proportional to 489,032.20, 732,857.10 and 301,486.60

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Solution

The fourth proportional to 489,032.20, 732,857.10 and 301,486.60 is: 451,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,032.20 : 732,857.10 = 301,486.60 : x
  2. Step 2: Convert to fraction form
    489,032.20/732,857.10 = 301,486.60/x
  3. Step 3: Cross multiply
    489,032.20x = 732,857.10 × 301,486.60
  4. Step 4: Simplify right side
    489,032.20x = 220,946,595,364.86
  5. Step 5: Solve for x
    x = 220,946,595,364.86/489,032.20
  6. Step 6: Final answer
    x = 451,803.78

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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.