Home / 724,643.28-1,082,085.21-591,787.08

Finding the Fourth Proportional to 724,643.28, 1,082,085.21 and 591,787.08

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Solution

The fourth proportional to 724,643.28, 1,082,085.21 and 591,787.08 is: 883,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,643.28 : 1,082,085.21 = 591,787.08 : x
  2. Step 2: Convert to fraction form
    724,643.28/1,082,085.21 = 591,787.08/x
  3. Step 3: Cross multiply
    724,643.28x = 1,082,085.21 × 591,787.08
  4. Step 4: Simplify right side
    724,643.28x = 640,364,046,737.09
  5. Step 5: Solve for x
    x = 640,364,046,737.09/724,643.28
  6. Step 6: Final answer
    x = 883,695.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.