Home / 726,274.72-1,088,465.52-370,989.28

Finding the Fourth Proportional to 726,274.72, 1,088,465.52 and 370,989.28

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Solution

The fourth proportional to 726,274.72, 1,088,465.52 and 370,989.28 is: 556,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,274.72 : 1,088,465.52 = 370,989.28 : x
  2. Step 2: Convert to fraction form
    726,274.72/1,088,465.52 = 370,989.28/x
  3. Step 3: Cross multiply
    726,274.72x = 1,088,465.52 × 370,989.28
  4. Step 4: Simplify right side
    726,274.72x = 403,809,039,569.63
  5. Step 5: Solve for x
    x = 403,809,039,569.63/726,274.72
  6. Step 6: Final answer
    x = 556,000.41

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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.