Home / 830,530.20-1,245,795.30-725,554.20

Finding the Fourth Proportional to 830,530.20, 1,245,795.30 and 725,554.20

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Solution

The fourth proportional to 830,530.20, 1,245,795.30 and 725,554.20 is: 1,088,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,530.20 : 1,245,795.30 = 725,554.20 : x
  2. Step 2: Convert to fraction form
    830,530.20/1,245,795.30 = 725,554.20/x
  3. Step 3: Cross multiply
    830,530.20x = 1,245,795.30 × 725,554.20
  4. Step 4: Simplify right side
    830,530.20x = 903,892,012,255.26
  5. Step 5: Solve for x
    x = 903,892,012,255.26/830,530.20
  6. Step 6: Final answer
    x = 1,088,331.30

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