Home / 631,201.35-871,058.84-359,269.24

Finding the Fourth Proportional to 631,201.35, 871,058.84 and 359,269.24

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Solution

The fourth proportional to 631,201.35, 871,058.84 and 359,269.24 is: 495,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,201.35 : 871,058.84 = 359,269.24 : x
  2. Step 2: Convert to fraction form
    631,201.35/871,058.84 = 359,269.24/x
  3. Step 3: Cross multiply
    631,201.35x = 871,058.84 × 359,269.24
  4. Step 4: Simplify right side
    631,201.35x = 312,944,645,101.32
  5. Step 5: Solve for x
    x = 312,944,645,101.32/631,201.35
  6. Step 6: Final answer
    x = 495,792.11

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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.