Home / 871,636.37-1,306,705.64-302,943.58

Finding the Fourth Proportional to 871,636.37, 1,306,705.64 and 302,943.58

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Solution

The fourth proportional to 871,636.37, 1,306,705.64 and 302,943.58 is: 454,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,636.37 : 1,306,705.64 = 302,943.58 : x
  2. Step 2: Convert to fraction form
    871,636.37/1,306,705.64 = 302,943.58/x
  3. Step 3: Cross multiply
    871,636.37x = 1,306,705.64 × 302,943.58
  4. Step 4: Simplify right side
    871,636.37x = 395,858,079,806.31
  5. Step 5: Solve for x
    x = 395,858,079,806.31/871,636.37
  6. Step 6: Final answer
    x = 454,155.08

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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.