Home / 817,372.27-1,225,447.56-563,929.57

Finding the Fourth Proportional to 817,372.27, 1,225,447.56 and 563,929.57

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Solution

The fourth proportional to 817,372.27, 1,225,447.56 and 563,929.57 is: 845,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,372.27 : 1,225,447.56 = 563,929.57 : x
  2. Step 2: Convert to fraction form
    817,372.27/1,225,447.56 = 563,929.57/x
  3. Step 3: Cross multiply
    817,372.27x = 1,225,447.56 × 563,929.57
  4. Step 4: Simplify right side
    817,372.27x = 691,066,115,568.35
  5. Step 5: Solve for x
    x = 691,066,115,568.35/817,372.27
  6. Step 6: Final answer
    x = 845,472.91

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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.