Home / 830,029.60-1,245,044.40-823,808.80

Finding the Fourth Proportional to 830,029.60, 1,245,044.40 and 823,808.80

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Solution

The fourth proportional to 830,029.60, 1,245,044.40 and 823,808.80 is: 1,235,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,029.60 : 1,245,044.40 = 823,808.80 : x
  2. Step 2: Convert to fraction form
    830,029.60/1,245,044.40 = 823,808.80/x
  3. Step 3: Cross multiply
    830,029.60x = 1,245,044.40 × 823,808.80
  4. Step 4: Simplify right side
    830,029.60x = 1,025,678,533,110.72
  5. Step 5: Solve for x
    x = 1,025,678,533,110.72/830,029.60
  6. Step 6: Final answer
    x = 1,235,713.20

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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.