Home / 636,795.12-878,749.56-350,297.04

Finding the Fourth Proportional to 636,795.12, 878,749.56 and 350,297.04

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Solution

The fourth proportional to 636,795.12, 878,749.56 and 350,297.04 is: 483,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,795.12 : 878,749.56 = 350,297.04 : x
  2. Step 2: Convert to fraction form
    636,795.12/878,749.56 = 350,297.04/x
  3. Step 3: Cross multiply
    636,795.12x = 878,749.56 × 350,297.04
  4. Step 4: Simplify right side
    636,795.12x = 307,823,369,769.30
  5. Step 5: Solve for x
    x = 307,823,369,769.30/636,795.12
  6. Step 6: Final answer
    x = 483,394.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.