Home / 869,717.52-1,199,099.16-563,252.40

Finding the Fourth Proportional to 869,717.52, 1,199,099.16 and 563,252.40

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Solution

The fourth proportional to 869,717.52, 1,199,099.16 and 563,252.40 is: 776,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,717.52 : 1,199,099.16 = 563,252.40 : x
  2. Step 2: Convert to fraction form
    869,717.52/1,199,099.16 = 563,252.40/x
  3. Step 3: Cross multiply
    869,717.52x = 1,199,099.16 × 563,252.40
  4. Step 4: Simplify right side
    869,717.52x = 675,395,479,707.98
  5. Step 5: Solve for x
    x = 675,395,479,707.98/869,717.52
  6. Step 6: Final answer
    x = 776,568.79

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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.