Home / 956,253.31-1,319,653.21-520,694.53

Finding the Fourth Proportional to 956,253.31, 1,319,653.21 and 520,694.53

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Solution

The fourth proportional to 956,253.31, 1,319,653.21 and 520,694.53 is: 718,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,253.31 : 1,319,653.21 = 520,694.53 : x
  2. Step 2: Convert to fraction form
    956,253.31/1,319,653.21 = 520,694.53/x
  3. Step 3: Cross multiply
    956,253.31x = 1,319,653.21 × 520,694.53
  4. Step 4: Simplify right side
    956,253.31x = 687,136,200,043.94
  5. Step 5: Solve for x
    x = 687,136,200,043.94/956,253.31
  6. Step 6: Final answer
    x = 718,571.32

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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.