Home / 545,725.70-753,156.87-304,047.62

Finding the Fourth Proportional to 545,725.70, 753,156.87 and 304,047.62

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Solution

The fourth proportional to 545,725.70, 753,156.87 and 304,047.62 is: 419,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,725.70 : 753,156.87 = 304,047.62 : x
  2. Step 2: Convert to fraction form
    545,725.70/753,156.87 = 304,047.62/x
  3. Step 3: Cross multiply
    545,725.70x = 753,156.87 × 304,047.62
  4. Step 4: Simplify right side
    545,725.70x = 228,995,553,810.15
  5. Step 5: Solve for x
    x = 228,995,553,810.15/545,725.70
  6. Step 6: Final answer
    x = 419,616.58

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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.