Home / 469,715.07-648,137.88-262,972.77

Finding the Fourth Proportional to 469,715.07, 648,137.88 and 262,972.77

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Solution

The fourth proportional to 469,715.07, 648,137.88 and 262,972.77 is: 362,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,715.07 : 648,137.88 = 262,972.77 : x
  2. Step 2: Convert to fraction form
    469,715.07/648,137.88 = 262,972.77/x
  3. Step 3: Cross multiply
    469,715.07x = 648,137.88 × 262,972.77
  4. Step 4: Simplify right side
    469,715.07x = 170,442,613,645.53
  5. Step 5: Solve for x
    x = 170,442,613,645.53/469,715.07
  6. Step 6: Final answer
    x = 362,863.84

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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.