Home / 697,795.20-1,046,692.80-254,505.60

Finding the Fourth Proportional to 697,795.20, 1,046,692.80 and 254,505.60

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Solution

The fourth proportional to 697,795.20, 1,046,692.80 and 254,505.60 is: 381,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,795.20 : 1,046,692.80 = 254,505.60 : x
  2. Step 2: Convert to fraction form
    697,795.20/1,046,692.80 = 254,505.60/x
  3. Step 3: Cross multiply
    697,795.20x = 1,046,692.80 × 254,505.60
  4. Step 4: Simplify right side
    697,795.20x = 266,389,179,079.68
  5. Step 5: Solve for x
    x = 266,389,179,079.68/697,795.20
  6. Step 6: Final answer
    x = 381,758.40

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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.