Home / 945,445.10-1,304,285.22-557,997.66

Finding the Fourth Proportional to 945,445.10, 1,304,285.22 and 557,997.66

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Solution

The fourth proportional to 945,445.10, 1,304,285.22 and 557,997.66 is: 769,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,445.10 : 1,304,285.22 = 557,997.66 : x
  2. Step 2: Convert to fraction form
    945,445.10/1,304,285.22 = 557,997.66/x
  3. Step 3: Cross multiply
    945,445.10x = 1,304,285.22 × 557,997.66
  4. Step 4: Simplify right side
    945,445.10x = 727,788,100,732.59
  5. Step 5: Solve for x
    x = 727,788,100,732.59/945,445.10
  6. Step 6: Final answer
    x = 769,783.57

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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.