Home / 768,295.80-1,152,443.70-325,006.20

Finding the Fourth Proportional to 768,295.80, 1,152,443.70 and 325,006.20

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Solution

The fourth proportional to 768,295.80, 1,152,443.70 and 325,006.20 is: 487,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,295.80 : 1,152,443.70 = 325,006.20 : x
  2. Step 2: Convert to fraction form
    768,295.80/1,152,443.70 = 325,006.20/x
  3. Step 3: Cross multiply
    768,295.80x = 1,152,443.70 × 325,006.20
  4. Step 4: Simplify right side
    768,295.80x = 374,551,347,650.94
  5. Step 5: Solve for x
    x = 374,551,347,650.94/768,295.80
  6. Step 6: Final answer
    x = 487,509.30

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Similar ratio
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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.