Home / 756,975.83-1,044,597.31-430,331.64

Finding the Fourth Proportional to 756,975.83, 1,044,597.31 and 430,331.64

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Solution

The fourth proportional to 756,975.83, 1,044,597.31 and 430,331.64 is: 593,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,975.83 : 1,044,597.31 = 430,331.64 : x
  2. Step 2: Convert to fraction form
    756,975.83/1,044,597.31 = 430,331.64/x
  3. Step 3: Cross multiply
    756,975.83x = 1,044,597.31 × 430,331.64
  4. Step 4: Simplify right side
    756,975.83x = 449,523,270,979.44
  5. Step 5: Solve for x
    x = 449,523,270,979.44/756,975.83
  6. Step 6: Final answer
    x = 593,840.98

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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.