Home / 890,841.32-1,336,119.74-259,607.48

Finding the Fourth Proportional to 890,841.32, 1,336,119.74 and 259,607.48

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Solution

The fourth proportional to 890,841.32, 1,336,119.74 and 259,607.48 is: 389,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,841.32 : 1,336,119.74 = 259,607.48 : x
  2. Step 2: Convert to fraction form
    890,841.32/1,336,119.74 = 259,607.48/x
  3. Step 3: Cross multiply
    890,841.32x = 1,336,119.74 × 259,607.48
  4. Step 4: Simplify right side
    890,841.32x = 346,866,678,679.66
  5. Step 5: Solve for x
    x = 346,866,678,679.66/890,841.32
  6. Step 6: Final answer
    x = 389,369.77

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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.