Home / 657,483.08-986,667.48-258,076.53

Finding the Fourth Proportional to 657,483.08, 986,667.48 and 258,076.53

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Solution

The fourth proportional to 657,483.08, 986,667.48 and 258,076.53 is: 387,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,483.08 : 986,667.48 = 258,076.53 : x
  2. Step 2: Convert to fraction form
    657,483.08/986,667.48 = 258,076.53/x
  3. Step 3: Cross multiply
    657,483.08x = 986,667.48 × 258,076.53
  4. Step 4: Simplify right side
    657,483.08x = 254,635,719,502.24
  5. Step 5: Solve for x
    x = 254,635,719,502.24/657,483.08
  6. Step 6: Final answer
    x = 387,288.63

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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.