Home / 788,900.10-1,181,989.35-367,311.30

Finding the Fourth Proportional to 788,900.10, 1,181,989.35 and 367,311.30

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Solution

The fourth proportional to 788,900.10, 1,181,989.35 and 367,311.30 is: 550,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,900.10 : 1,181,989.35 = 367,311.30 : x
  2. Step 2: Convert to fraction form
    788,900.10/1,181,989.35 = 367,311.30/x
  3. Step 3: Cross multiply
    788,900.10x = 1,181,989.35 × 367,311.30
  4. Step 4: Simplify right side
    788,900.10x = 434,158,044,734.66
  5. Step 5: Solve for x
    x = 434,158,044,734.66/788,900.10
  6. Step 6: Final answer
    x = 550,333.36

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Double scale
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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.