Home / 992,856.73-1,489,094.62-385,644.37

Finding the Fourth Proportional to 992,856.73, 1,489,094.62 and 385,644.37

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Solution

The fourth proportional to 992,856.73, 1,489,094.62 and 385,644.37 is: 578,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,856.73 : 1,489,094.62 = 385,644.37 : x
  2. Step 2: Convert to fraction form
    992,856.73/1,489,094.62 = 385,644.37/x
  3. Step 3: Cross multiply
    992,856.73x = 1,489,094.62 × 385,644.37
  4. Step 4: Simplify right side
    992,856.73x = 574,260,956,600.29
  5. Step 5: Solve for x
    x = 574,260,956,600.29/992,856.73
  6. Step 6: Final answer
    x = 578,392.57

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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.