Home / 830,506.20-1,245,759.30-725,530.20

Finding the Fourth Proportional to 830,506.20, 1,245,759.30 and 725,530.20

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Solution

The fourth proportional to 830,506.20, 1,245,759.30 and 725,530.20 is: 1,088,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,506.20 : 1,245,759.30 = 725,530.20 : x
  2. Step 2: Convert to fraction form
    830,506.20/1,245,759.30 = 725,530.20/x
  3. Step 3: Cross multiply
    830,506.20x = 1,245,759.30 × 725,530.20
  4. Step 4: Simplify right side
    830,506.20x = 903,835,994,080.86
  5. Step 5: Solve for x
    x = 903,835,994,080.86/830,506.20
  6. Step 6: Final answer
    x = 1,088,295.30

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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.