Home / 438,656.04-658,916.32-413,059.96

Finding the Fourth Proportional to 438,656.04, 658,916.32 and 413,059.96

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Solution

The fourth proportional to 438,656.04, 658,916.32 and 413,059.96 is: 620,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,656.04 : 658,916.32 = 413,059.96 : x
  2. Step 2: Convert to fraction form
    438,656.04/658,916.32 = 413,059.96/x
  3. Step 3: Cross multiply
    438,656.04x = 658,916.32 × 413,059.96
  4. Step 4: Simplify right side
    438,656.04x = 272,171,948,782.55
  5. Step 5: Solve for x
    x = 272,171,948,782.55/438,656.04
  6. Step 6: Final answer
    x = 620,467.80

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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.