Home / 439,295.10-658,760.14-214,590.30

Finding the Fourth Proportional to 439,295.10, 658,760.14 and 214,590.30

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Solution

The fourth proportional to 439,295.10, 658,760.14 and 214,590.30 is: 321,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,295.10 : 658,760.14 = 214,590.30 : x
  2. Step 2: Convert to fraction form
    439,295.10/658,760.14 = 214,590.30/x
  3. Step 3: Cross multiply
    439,295.10x = 658,760.14 × 214,590.30
  4. Step 4: Simplify right side
    439,295.10x = 141,363,536,070.64
  5. Step 5: Solve for x
    x = 141,363,536,070.64/439,295.10
  6. Step 6: Final answer
    x = 321,796.30

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1.5x scale

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.