Home / 843,390.34-1,163,763.93-503,786.50

Finding the Fourth Proportional to 843,390.34, 1,163,763.93 and 503,786.50

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Solution

The fourth proportional to 843,390.34, 1,163,763.93 and 503,786.50 is: 695,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,390.34 : 1,163,763.93 = 503,786.50 : x
  2. Step 2: Convert to fraction form
    843,390.34/1,163,763.93 = 503,786.50/x
  3. Step 3: Cross multiply
    843,390.34x = 1,163,763.93 × 503,786.50
  4. Step 4: Simplify right side
    843,390.34x = 586,288,557,120.95
  5. Step 5: Solve for x
    x = 586,288,557,120.95/843,390.34
  6. Step 6: Final answer
    x = 695,156.83

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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.