Home / 931,164.40-1,284,911.13-523,201.42

Finding the Fourth Proportional to 931,164.40, 1,284,911.13 and 523,201.42

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Solution

The fourth proportional to 931,164.40, 1,284,911.13 and 523,201.42 is: 721,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,164.40 : 1,284,911.13 = 523,201.42 : x
  2. Step 2: Convert to fraction form
    931,164.40/1,284,911.13 = 523,201.42/x
  3. Step 3: Cross multiply
    931,164.40x = 1,284,911.13 × 523,201.42
  4. Step 4: Simplify right side
    931,164.40x = 672,267,327,789.81
  5. Step 5: Solve for x
    x = 672,267,327,789.81/931,164.40
  6. Step 6: Final answer
    x = 721,964.16

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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.