Home / 690,412.04-952,772.10-403,876.52

Finding the Fourth Proportional to 690,412.04, 952,772.10 and 403,876.52

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Solution

The fourth proportional to 690,412.04, 952,772.10 and 403,876.52 is: 557,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,412.04 : 952,772.10 = 403,876.52 : x
  2. Step 2: Convert to fraction form
    690,412.04/952,772.10 = 403,876.52/x
  3. Step 3: Cross multiply
    690,412.04x = 952,772.10 × 403,876.52
  4. Step 4: Simplify right side
    690,412.04x = 384,802,280,101.09
  5. Step 5: Solve for x
    x = 384,802,280,101.09/690,412.04
  6. Step 6: Final answer
    x = 557,351.64

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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.