Home / 762,500.88-1,052,376.96-423,078.48

Finding the Fourth Proportional to 762,500.88, 1,052,376.96 and 423,078.48

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Solution

The fourth proportional to 762,500.88, 1,052,376.96 and 423,078.48 is: 583,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,500.88 : 1,052,376.96 = 423,078.48 : x
  2. Step 2: Convert to fraction form
    762,500.88/1,052,376.96 = 423,078.48/x
  3. Step 3: Cross multiply
    762,500.88x = 1,052,376.96 × 423,078.48
  4. Step 4: Simplify right side
    762,500.88x = 445,238,044,623.82
  5. Step 5: Solve for x
    x = 445,238,044,623.82/762,500.88
  6. Step 6: Final answer
    x = 583,918.07

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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.