Home / 762,415.26-1,052,259.06-422,992.86

Finding the Fourth Proportional to 762,415.26, 1,052,259.06 and 422,992.86

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Solution

The fourth proportional to 762,415.26, 1,052,259.06 and 422,992.86 is: 583,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,415.26 : 1,052,259.06 = 422,992.86 : x
  2. Step 2: Convert to fraction form
    762,415.26/1,052,259.06 = 422,992.86/x
  3. Step 3: Cross multiply
    762,415.26x = 1,052,259.06 × 422,992.86
  4. Step 4: Simplify right side
    762,415.26x = 445,098,069,250.31
  5. Step 5: Solve for x
    x = 445,098,069,250.31/762,415.26
  6. Step 6: Final answer
    x = 583,800.05

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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.