Home / 762,747.27-1,052,514.59-456,815.81

Finding the Fourth Proportional to 762,747.27, 1,052,514.59 and 456,815.81

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Solution

The fourth proportional to 762,747.27, 1,052,514.59 and 456,815.81 is: 630,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,747.27 : 1,052,514.59 = 456,815.81 : x
  2. Step 2: Convert to fraction form
    762,747.27/1,052,514.59 = 456,815.81/x
  3. Step 3: Cross multiply
    762,747.27x = 1,052,514.59 × 456,815.81
  4. Step 4: Simplify right side
    762,747.27x = 480,805,297,421.02
  5. Step 5: Solve for x
    x = 480,805,297,421.02/762,747.27
  6. Step 6: Final answer
    x = 630,359.91

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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.