Home / 939,515.46-1,409,260.88-229,549.65

Finding the Fourth Proportional to 939,515.46, 1,409,260.88 and 229,549.65

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Solution

The fourth proportional to 939,515.46, 1,409,260.88 and 229,549.65 is: 344,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,515.46 : 1,409,260.88 = 229,549.65 : x
  2. Step 2: Convert to fraction form
    939,515.46/1,409,260.88 = 229,549.65/x
  3. Step 3: Cross multiply
    939,515.46x = 1,409,260.88 × 229,549.65
  4. Step 4: Simplify right side
    939,515.46x = 323,495,337,051.84
  5. Step 5: Solve for x
    x = 323,495,337,051.84/939,515.46
  6. Step 6: Final answer
    x = 344,321.46

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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.