Home / 709,039.38-1,063,559.07-210,403.38

Finding the Fourth Proportional to 709,039.38, 1,063,559.07 and 210,403.38

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Solution

The fourth proportional to 709,039.38, 1,063,559.07 and 210,403.38 is: 315,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,039.38 : 1,063,559.07 = 210,403.38 : x
  2. Step 2: Convert to fraction form
    709,039.38/1,063,559.07 = 210,403.38/x
  3. Step 3: Cross multiply
    709,039.38x = 1,063,559.07 × 210,403.38
  4. Step 4: Simplify right side
    709,039.38x = 223,776,423,157.66
  5. Step 5: Solve for x
    x = 223,776,423,157.66/709,039.38
  6. Step 6: Final answer
    x = 315,605.07

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Similar ratio
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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.