Home / 871,637.87-1,306,707.89-302,945.09

Finding the Fourth Proportional to 871,637.87, 1,306,707.89 and 302,945.09

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Solution

The fourth proportional to 871,637.87, 1,306,707.89 and 302,945.09 is: 454,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,637.87 : 1,306,707.89 = 302,945.09 : x
  2. Step 2: Convert to fraction form
    871,637.87/1,306,707.89 = 302,945.09/x
  3. Step 3: Cross multiply
    871,637.87x = 1,306,707.89 × 302,945.09
  4. Step 4: Simplify right side
    871,637.87x = 395,860,731,291.50
  5. Step 5: Solve for x
    x = 395,860,731,291.50/871,637.87
  6. Step 6: Final answer
    x = 454,157.34

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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.