Home / 899,897.96-1,242,171.92-518,076.92

Finding the Fourth Proportional to 899,897.96, 1,242,171.92 and 518,076.92

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Solution

The fourth proportional to 899,897.96, 1,242,171.92 and 518,076.92 is: 715,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,897.96 : 1,242,171.92 = 518,076.92 : x
  2. Step 2: Convert to fraction form
    899,897.96/1,242,171.92 = 518,076.92/x
  3. Step 3: Cross multiply
    899,897.96x = 1,242,171.92 × 518,076.92
  4. Step 4: Simplify right side
    899,897.96x = 643,540,602,424.09
  5. Step 5: Solve for x
    x = 643,540,602,424.09/899,897.96
  6. Step 6: Final answer
    x = 715,126.19

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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.