Home / 830,829.60-1,246,244.40-269,920.80

Finding the Fourth Proportional to 830,829.60, 1,246,244.40 and 269,920.80

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Solution

The fourth proportional to 830,829.60, 1,246,244.40 and 269,920.80 is: 404,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,829.60 : 1,246,244.40 = 269,920.80 : x
  2. Step 2: Convert to fraction form
    830,829.60/1,246,244.40 = 269,920.80/x
  3. Step 3: Cross multiply
    830,829.60x = 1,246,244.40 × 269,920.80
  4. Step 4: Simplify right side
    830,829.60x = 336,387,285,443.52
  5. Step 5: Solve for x
    x = 336,387,285,443.52/830,829.60
  6. Step 6: Final answer
    x = 404,881.20

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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.