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Finding the Fourth Proportional to 544,038.53, 750,725.42 and 302,305.77

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Solution

The fourth proportional to 544,038.53, 750,725.42 and 302,305.77 is: 417,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,038.53 : 750,725.42 = 302,305.77 : x
  2. Step 2: Convert to fraction form
    544,038.53/750,725.42 = 302,305.77/x
  3. Step 3: Cross multiply
    544,038.53x = 750,725.42 × 302,305.77
  4. Step 4: Simplify right side
    544,038.53x = 226,948,624,640.15
  5. Step 5: Solve for x
    x = 226,948,624,640.15/544,038.53
  6. Step 6: Final answer
    x = 417,155.43

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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.