Home / 762,133.81-1,051,859.87-435,515.56

Finding the Fourth Proportional to 762,133.81, 1,051,859.87 and 435,515.56

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Solution

The fourth proportional to 762,133.81, 1,051,859.87 and 435,515.56 is: 601,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,133.81 : 1,051,859.87 = 435,515.56 : x
  2. Step 2: Convert to fraction form
    762,133.81/1,051,859.87 = 435,515.56/x
  3. Step 3: Cross multiply
    762,133.81x = 1,051,859.87 × 435,515.56
  4. Step 4: Simplify right side
    762,133.81x = 458,101,340,324.58
  5. Step 5: Solve for x
    x = 458,101,340,324.58/762,133.81
  6. Step 6: Final answer
    x = 601,077.31

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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.