Home / 706,327.20-1,058,108.40-425,008.80

Finding the Fourth Proportional to 706,327.20, 1,058,108.40 and 425,008.80

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Solution

The fourth proportional to 706,327.20, 1,058,108.40 and 425,008.80 is: 636,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,327.20 : 1,058,108.40 = 425,008.80 : x
  2. Step 2: Convert to fraction form
    706,327.20/1,058,108.40 = 425,008.80/x
  3. Step 3: Cross multiply
    706,327.20x = 1,058,108.40 × 425,008.80
  4. Step 4: Simplify right side
    706,327.20x = 449,705,381,353.92
  5. Step 5: Solve for x
    x = 449,705,381,353.92/706,327.20
  6. Step 6: Final answer
    x = 636,681.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.