Home / 617,747.48-927,220.40-298,124.28

Finding the Fourth Proportional to 617,747.48, 927,220.40 and 298,124.28

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Solution

The fourth proportional to 617,747.48, 927,220.40 and 298,124.28 is: 447,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,747.48 : 927,220.40 = 298,124.28 : x
  2. Step 2: Convert to fraction form
    617,747.48/927,220.40 = 298,124.28/x
  3. Step 3: Cross multiply
    617,747.48x = 927,220.40 × 298,124.28
  4. Step 4: Simplify right side
    617,747.48x = 276,426,912,660.69
  5. Step 5: Solve for x
    x = 276,426,912,660.69/617,747.48
  6. Step 6: Final answer
    x = 447,475.58

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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.