Home / 783,900.56-1,081,652.86-461,493.02

Finding the Fourth Proportional to 783,900.56, 1,081,652.86 and 461,493.02

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Solution

The fourth proportional to 783,900.56, 1,081,652.86 and 461,493.02 is: 636,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,900.56 : 1,081,652.86 = 461,493.02 : x
  2. Step 2: Convert to fraction form
    783,900.56/1,081,652.86 = 461,493.02/x
  3. Step 3: Cross multiply
    783,900.56x = 1,081,652.86 × 461,493.02
  4. Step 4: Simplify right side
    783,900.56x = 499,175,244,953.04
  5. Step 5: Solve for x
    x = 499,175,244,953.04/783,900.56
  6. Step 6: Final answer
    x = 636,783.89

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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.