Home / 648,878.29-972,790.48-270,082.56

Finding the Fourth Proportional to 648,878.29, 972,790.48 and 270,082.56

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Solution

The fourth proportional to 648,878.29, 972,790.48 and 270,082.56 is: 404,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,878.29 : 972,790.48 = 270,082.56 : x
  2. Step 2: Convert to fraction form
    648,878.29/972,790.48 = 270,082.56/x
  3. Step 3: Cross multiply
    648,878.29x = 972,790.48 × 270,082.56
  4. Step 4: Simplify right side
    648,878.29x = 262,733,742,506.82
  5. Step 5: Solve for x
    x = 262,733,742,506.82/648,878.29
  6. Step 6: Final answer
    x = 404,904.51

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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.