Home / 674,964.30-1,012,446.45-176,328.30

Finding the Fourth Proportional to 674,964.30, 1,012,446.45 and 176,328.30

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Solution

The fourth proportional to 674,964.30, 1,012,446.45 and 176,328.30 is: 264,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,964.30 : 1,012,446.45 = 176,328.30 : x
  2. Step 2: Convert to fraction form
    674,964.30/1,012,446.45 = 176,328.30/x
  3. Step 3: Cross multiply
    674,964.30x = 1,012,446.45 × 176,328.30
  4. Step 4: Simplify right side
    674,964.30x = 178,522,961,369.54
  5. Step 5: Solve for x
    x = 178,522,961,369.54/674,964.30
  6. Step 6: Final answer
    x = 264,492.45

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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.