Home / 822,065.20-1,233,070.00-289,572.31

Finding the Fourth Proportional to 822,065.20, 1,233,070.00 and 289,572.31

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Solution

The fourth proportional to 822,065.20, 1,233,070.00 and 289,572.31 is: 434,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,065.20 : 1,233,070.00 = 289,572.31 : x
  2. Step 2: Convert to fraction form
    822,065.20/1,233,070.00 = 289,572.31/x
  3. Step 3: Cross multiply
    822,065.20x = 1,233,070.00 × 289,572.31
  4. Step 4: Simplify right side
    822,065.20x = 357,062,929,015.63
  5. Step 5: Solve for x
    x = 357,062,929,015.63/822,065.20
  6. Step 6: Final answer
    x = 434,348.67

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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.