Home / 869,505.24-1,199,806.38-506,838.36

Finding the Fourth Proportional to 869,505.24, 1,199,806.38 and 506,838.36

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Solution

The fourth proportional to 869,505.24, 1,199,806.38 and 506,838.36 is: 699,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,505.24 : 1,199,806.38 = 506,838.36 : x
  2. Step 2: Convert to fraction form
    869,505.24/1,199,806.38 = 506,838.36/x
  3. Step 3: Cross multiply
    869,505.24x = 1,199,806.38 × 506,838.36
  4. Step 4: Simplify right side
    869,505.24x = 608,107,897,956.74
  5. Step 5: Solve for x
    x = 608,107,897,956.74/869,505.24
  6. Step 6: Final answer
    x = 699,372.32

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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.