Home / 697,414.10-1,046,218.35-298,051.70

Finding the Fourth Proportional to 697,414.10, 1,046,218.35 and 298,051.70

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Solution

The fourth proportional to 697,414.10, 1,046,218.35 and 298,051.70 is: 447,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,414.10 : 1,046,218.35 = 298,051.70 : x
  2. Step 2: Convert to fraction form
    697,414.10/1,046,218.35 = 298,051.70/x
  3. Step 3: Cross multiply
    697,414.10x = 1,046,218.35 × 298,051.70
  4. Step 4: Simplify right side
    697,414.10x = 311,827,157,788.70
  5. Step 5: Solve for x
    x = 311,827,157,788.70/697,414.10
  6. Step 6: Final answer
    x = 447,119.09

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Double scale
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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.