Home / 899,905.96-1,242,182.97-518,084.92

Finding the Fourth Proportional to 899,905.96, 1,242,182.97 and 518,084.92

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Solution

The fourth proportional to 899,905.96, 1,242,182.97 and 518,084.92 is: 715,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,905.96 : 1,242,182.97 = 518,084.92 : x
  2. Step 2: Convert to fraction form
    899,905.96/1,242,182.97 = 518,084.92/x
  3. Step 3: Cross multiply
    899,905.96x = 1,242,182.97 × 518,084.92
  4. Step 4: Simplify right side
    899,905.96x = 643,556,264,637.81
  5. Step 5: Solve for x
    x = 643,556,264,637.81/899,905.96
  6. Step 6: Final answer
    x = 715,137.24

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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.