Home / 905,838.56-1,250,026.80-503,421.92

Finding the Fourth Proportional to 905,838.56, 1,250,026.80 and 503,421.92

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Solution

The fourth proportional to 905,838.56, 1,250,026.80 and 503,421.92 is: 694,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,838.56 : 1,250,026.80 = 503,421.92 : x
  2. Step 2: Convert to fraction form
    905,838.56/1,250,026.80 = 503,421.92/x
  3. Step 3: Cross multiply
    905,838.56x = 1,250,026.80 × 503,421.92
  4. Step 4: Simplify right side
    905,838.56x = 629,290,891,707.46
  5. Step 5: Solve for x
    x = 629,290,891,707.46/905,838.56
  6. Step 6: Final answer
    x = 694,705.35

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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.