Home / 670,277.80-1,005,222.30-243,764.20

Finding the Fourth Proportional to 670,277.80, 1,005,222.30 and 243,764.20

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Solution

The fourth proportional to 670,277.80, 1,005,222.30 and 243,764.20 is: 365,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,277.80 : 1,005,222.30 = 243,764.20 : x
  2. Step 2: Convert to fraction form
    670,277.80/1,005,222.30 = 243,764.20/x
  3. Step 3: Cross multiply
    670,277.80x = 1,005,222.30 × 243,764.20
  4. Step 4: Simplify right side
    670,277.80x = 245,037,209,781.66
  5. Step 5: Solve for x
    x = 245,037,209,781.66/670,277.80
  6. Step 6: Final answer
    x = 365,575.60

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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.