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Finding the Fourth Proportional to 636,476.49, 954,714.74 and 299,307.51

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Solution

The fourth proportional to 636,476.49, 954,714.74 and 299,307.51 is: 448,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,476.49 : 954,714.74 = 299,307.51 : x
  2. Step 2: Convert to fraction form
    636,476.49/954,714.74 = 299,307.51/x
  3. Step 3: Cross multiply
    636,476.49x = 954,714.74 × 299,307.51
  4. Step 4: Simplify right side
    636,476.49x = 285,753,290,093.16
  5. Step 5: Solve for x
    x = 285,753,290,093.16/636,476.49
  6. Step 6: Final answer
    x = 448,961.27

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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.