Home / 762,620.88-1,052,430.72-418,474.56

Finding the Fourth Proportional to 762,620.88, 1,052,430.72 and 418,474.56

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Solution

The fourth proportional to 762,620.88, 1,052,430.72 and 418,474.56 is: 577,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,620.88 : 1,052,430.72 = 418,474.56 : x
  2. Step 2: Convert to fraction form
    762,620.88/1,052,430.72 = 418,474.56/x
  3. Step 3: Cross multiply
    762,620.88x = 1,052,430.72 × 418,474.56
  4. Step 4: Simplify right side
    762,620.88x = 440,415,482,482.48
  5. Step 5: Solve for x
    x = 440,415,482,482.48/762,620.88
  6. Step 6: Final answer
    x = 577,502.52

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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.