Home / 413,829.90-620,416.80-226,841.40

Finding the Fourth Proportional to 413,829.90, 620,416.80 and 226,841.40

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Solution

The fourth proportional to 413,829.90, 620,416.80 and 226,841.40 is: 340,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,829.90 : 620,416.80 = 226,841.40 : x
  2. Step 2: Convert to fraction form
    413,829.90/620,416.80 = 226,841.40/x
  3. Step 3: Cross multiply
    413,829.90x = 620,416.80 × 226,841.40
  4. Step 4: Simplify right side
    413,829.90x = 140,736,215,495.52
  5. Step 5: Solve for x
    x = 140,736,215,495.52/413,829.90
  6. Step 6: Final answer
    x = 340,082.28

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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.