Home / 822,253.48-1,232,818.92-438,059.78

Finding the Fourth Proportional to 822,253.48, 1,232,818.92 and 438,059.78

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Solution

The fourth proportional to 822,253.48, 1,232,818.92 and 438,059.78 is: 656,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,253.48 : 1,232,818.92 = 438,059.78 : x
  2. Step 2: Convert to fraction form
    822,253.48/1,232,818.92 = 438,059.78/x
  3. Step 3: Cross multiply
    822,253.48x = 1,232,818.92 × 438,059.78
  4. Step 4: Simplify right side
    822,253.48x = 540,048,384,875.04
  5. Step 5: Solve for x
    x = 540,048,384,875.04/822,253.48
  6. Step 6: Final answer
    x = 656,790.63

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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.