Home / 939,715.03-1,409,572.55-229,734.64

Finding the Fourth Proportional to 939,715.03, 1,409,572.55 and 229,734.64

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Solution

The fourth proportional to 939,715.03, 1,409,572.55 and 229,734.64 is: 344,601.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,715.03 : 1,409,572.55 = 229,734.64 : x
  2. Step 2: Convert to fraction form
    939,715.03/1,409,572.55 = 229,734.64/x
  3. Step 3: Cross multiply
    939,715.03x = 1,409,572.55 × 229,734.64
  4. Step 4: Simplify right side
    939,715.03x = 323,827,642,328.13
  5. Step 5: Solve for x
    x = 323,827,642,328.13/939,715.03
  6. Step 6: Final answer
    x = 344,601.96

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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.