Home / 822,076.40-1,234,381.80-448,828.40

Finding the Fourth Proportional to 822,076.40, 1,234,381.80 and 448,828.40

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Solution

The fourth proportional to 822,076.40, 1,234,381.80 and 448,828.40 is: 673,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,076.40 : 1,234,381.80 = 448,828.40 : x
  2. Step 2: Convert to fraction form
    822,076.40/1,234,381.80 = 448,828.40/x
  3. Step 3: Cross multiply
    822,076.40x = 1,234,381.80 × 448,828.40
  4. Step 4: Simplify right side
    822,076.40x = 554,025,608,283.12
  5. Step 5: Solve for x
    x = 554,025,608,283.12/822,076.40
  6. Step 6: Final answer
    x = 673,934.45

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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.