Home / 706,579.20-1,058,486.40-425,260.80

Finding the Fourth Proportional to 706,579.20, 1,058,486.40 and 425,260.80

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Solution

The fourth proportional to 706,579.20, 1,058,486.40 and 425,260.80 is: 637,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,579.20 : 1,058,486.40 = 425,260.80 : x
  2. Step 2: Convert to fraction form
    706,579.20/1,058,486.40 = 425,260.80/x
  3. Step 3: Cross multiply
    706,579.20x = 1,058,486.40 × 425,260.80
  4. Step 4: Simplify right side
    706,579.20x = 450,132,773,253.12
  5. Step 5: Solve for x
    x = 450,132,773,253.12/706,579.20
  6. Step 6: Final answer
    x = 637,059.19

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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.