Home / 945,404.70-1,418,236.65-314,252.70

Finding the Fourth Proportional to 945,404.70, 1,418,236.65 and 314,252.70

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Solution

The fourth proportional to 945,404.70, 1,418,236.65 and 314,252.70 is: 471,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,404.70 : 1,418,236.65 = 314,252.70 : x
  2. Step 2: Convert to fraction form
    945,404.70/1,418,236.65 = 314,252.70/x
  3. Step 3: Cross multiply
    945,404.70x = 1,418,236.65 × 314,252.70
  4. Step 4: Simplify right side
    945,404.70x = 445,684,696,501.46
  5. Step 5: Solve for x
    x = 445,684,696,501.46/945,404.70
  6. Step 6: Final answer
    x = 471,422.13

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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.