Home / 762,339.52-1,052,001.84-422,839.36

Finding the Fourth Proportional to 762,339.52, 1,052,001.84 and 422,839.36

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Solution

The fourth proportional to 762,339.52, 1,052,001.84 and 422,839.36 is: 583,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,339.52 : 1,052,001.84 = 422,839.36 : x
  2. Step 2: Convert to fraction form
    762,339.52/1,052,001.84 = 422,839.36/x
  3. Step 3: Cross multiply
    762,339.52x = 1,052,001.84 × 422,839.36
  4. Step 4: Simplify right side
    762,339.52x = 444,827,784,744.42
  5. Step 5: Solve for x
    x = 444,827,784,744.42/762,339.52
  6. Step 6: Final answer
    x = 583,503.51

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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.