Home / 820,370.73-1,132,111.86-452,848.12

Finding the Fourth Proportional to 820,370.73, 1,132,111.86 and 452,848.12

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Solution

The fourth proportional to 820,370.73, 1,132,111.86 and 452,848.12 is: 624,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,370.73 : 1,132,111.86 = 452,848.12 : x
  2. Step 2: Convert to fraction form
    820,370.73/1,132,111.86 = 452,848.12/x
  3. Step 3: Cross multiply
    820,370.73x = 1,132,111.86 × 452,848.12
  4. Step 4: Simplify right side
    820,370.73x = 512,674,722,902.24
  5. Step 5: Solve for x
    x = 512,674,722,902.24/820,370.73
  6. Step 6: Final answer
    x = 624,930.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.