Home / 767,235.20-1,150,852.80-347,331.20

Finding the Fourth Proportional to 767,235.20, 1,150,852.80 and 347,331.20

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Solution

The fourth proportional to 767,235.20, 1,150,852.80 and 347,331.20 is: 520,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,235.20 : 1,150,852.80 = 347,331.20 : x
  2. Step 2: Convert to fraction form
    767,235.20/1,150,852.80 = 347,331.20/x
  3. Step 3: Cross multiply
    767,235.20x = 1,150,852.80 × 347,331.20
  4. Step 4: Simplify right side
    767,235.20x = 399,727,084,047.36
  5. Step 5: Solve for x
    x = 399,727,084,047.36/767,235.20
  6. Step 6: Final answer
    x = 520,996.80

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Double scale
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Similar ratio
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1.5x scale

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.