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Finding the Fourth Proportional to 550,587.40, 759,372.32 and 454,928.02

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Solution

The fourth proportional to 550,587.40, 759,372.32 and 454,928.02 is: 627,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,587.40 : 759,372.32 = 454,928.02 : x
  2. Step 2: Convert to fraction form
    550,587.40/759,372.32 = 454,928.02/x
  3. Step 3: Cross multiply
    550,587.40x = 759,372.32 × 454,928.02
  4. Step 4: Simplify right side
    550,587.40x = 345,459,745,219.30
  5. Step 5: Solve for x
    x = 345,459,745,219.30/550,587.40
  6. Step 6: Final answer
    x = 627,438.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.