Home / 688,991.23-1,033,696.83-352,268.29

Finding the Fourth Proportional to 688,991.23, 1,033,696.83 and 352,268.29

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Solution

The fourth proportional to 688,991.23, 1,033,696.83 and 352,268.29 is: 528,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,991.23 : 1,033,696.83 = 352,268.29 : x
  2. Step 2: Convert to fraction form
    688,991.23/1,033,696.83 = 352,268.29/x
  3. Step 3: Cross multiply
    688,991.23x = 1,033,696.83 × 352,268.29
  4. Step 4: Simplify right side
    688,991.23x = 364,138,614,818.74
  5. Step 5: Solve for x
    x = 364,138,614,818.74/688,991.23
  6. Step 6: Final answer
    x = 528,509.80

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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.