Home / 822,065.45-1,233,070.38-289,572.56

Finding the Fourth Proportional to 822,065.45, 1,233,070.38 and 289,572.56

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Solution

The fourth proportional to 822,065.45, 1,233,070.38 and 289,572.56 is: 434,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,065.45 : 1,233,070.38 = 289,572.56 : x
  2. Step 2: Convert to fraction form
    822,065.45/1,233,070.38 = 289,572.56/x
  3. Step 3: Cross multiply
    822,065.45x = 1,233,070.38 × 289,572.56
  4. Step 4: Simplify right side
    822,065.45x = 357,063,345,148.91
  5. Step 5: Solve for x
    x = 357,063,345,148.91/822,065.45
  6. Step 6: Final answer
    x = 434,349.05

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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.