Home / 889,837.69-1,228,083.90-502,669.42

Finding the Fourth Proportional to 889,837.69, 1,228,083.90 and 502,669.42

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Solution

The fourth proportional to 889,837.69, 1,228,083.90 and 502,669.42 is: 693,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,837.69 : 1,228,083.90 = 502,669.42 : x
  2. Step 2: Convert to fraction form
    889,837.69/1,228,083.90 = 502,669.42/x
  3. Step 3: Cross multiply
    889,837.69x = 1,228,083.90 × 502,669.42
  4. Step 4: Simplify right side
    889,837.69x = 617,320,221,724.34
  5. Step 5: Solve for x
    x = 617,320,221,724.34/889,837.69
  6. Step 6: Final answer
    x = 693,744.75

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1.5x scale

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.