Home / 413,784.32-620,948.64-226,927.04

Finding the Fourth Proportional to 413,784.32, 620,948.64 and 226,927.04

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Solution

The fourth proportional to 413,784.32, 620,948.64 and 226,927.04 is: 340,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,784.32 : 620,948.64 = 226,927.04 : x
  2. Step 2: Convert to fraction form
    413,784.32/620,948.64 = 226,927.04/x
  3. Step 3: Cross multiply
    413,784.32x = 620,948.64 × 226,927.04
  4. Step 4: Simplify right side
    413,784.32x = 140,910,036,867.23
  5. Step 5: Solve for x
    x = 140,910,036,867.23/413,784.32
  6. Step 6: Final answer
    x = 340,539.82

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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.