Home / 820,254.66-1,131,815.62-547,885.68

Finding the Fourth Proportional to 820,254.66, 1,131,815.62 and 547,885.68

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Solution

The fourth proportional to 820,254.66, 1,131,815.62 and 547,885.68 is: 755,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,254.66 : 1,131,815.62 = 547,885.68 : x
  2. Step 2: Convert to fraction form
    820,254.66/1,131,815.62 = 547,885.68/x
  3. Step 3: Cross multiply
    820,254.66x = 1,131,815.62 × 547,885.68
  4. Step 4: Simplify right side
    820,254.66x = 620,105,570,598.32
  5. Step 5: Solve for x
    x = 620,105,570,598.32/820,254.66
  6. Step 6: Final answer
    x = 755,991.52

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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.