Home / 629,367.40-869,631.78-503,085.16

Finding the Fourth Proportional to 629,367.40, 869,631.78 and 503,085.16

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Solution

The fourth proportional to 629,367.40, 869,631.78 and 503,085.16 is: 695,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,367.40 : 869,631.78 = 503,085.16 : x
  2. Step 2: Convert to fraction form
    629,367.40/869,631.78 = 503,085.16/x
  3. Step 3: Cross multiply
    629,367.40x = 869,631.78 × 503,085.16
  4. Step 4: Simplify right side
    629,367.40x = 437,498,843,182.39
  5. Step 5: Solve for x
    x = 437,498,843,182.39/629,367.40
  6. Step 6: Final answer
    x = 695,140.62

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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.