Home / 867,966-1,301,949.24-418,603.20

Finding the Fourth Proportional to 867,966, 1,301,949.24 and 418,603.20

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Solution

The fourth proportional to 867,966, 1,301,949.24 and 418,603.20 is: 627,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,966 : 1,301,949.24 = 418,603.20 : x
  2. Step 2: Convert to fraction form
    867,966/1,301,949.24 = 418,603.20/x
  3. Step 3: Cross multiply
    867,966x = 1,301,949.24 × 418,603.20
  4. Step 4: Simplify right side
    867,966x = 545,000,118,101.57
  5. Step 5: Solve for x
    x = 545,000,118,101.57/867,966
  6. Step 6: Final answer
    x = 627,904.92

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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.