Home / 417,729.04-576,450.64-226,738.40

Finding the Fourth Proportional to 417,729.04, 576,450.64 and 226,738.40

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Solution

The fourth proportional to 417,729.04, 576,450.64 and 226,738.40 is: 312,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,729.04 : 576,450.64 = 226,738.40 : x
  2. Step 2: Convert to fraction form
    417,729.04/576,450.64 = 226,738.40/x
  3. Step 3: Cross multiply
    417,729.04x = 576,450.64 × 226,738.40
  4. Step 4: Simplify right side
    417,729.04x = 130,703,495,792.58
  5. Step 5: Solve for x
    x = 130,703,495,792.58/417,729.04
  6. Step 6: Final answer
    x = 312,890.61

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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.