Home / 617,746.72-927,219.28-298,123.52

Finding the Fourth Proportional to 617,746.72, 927,219.28 and 298,123.52

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Solution

The fourth proportional to 617,746.72, 927,219.28 and 298,123.52 is: 447,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,746.72 : 927,219.28 = 298,123.52 : x
  2. Step 2: Convert to fraction form
    617,746.72/927,219.28 = 298,123.52/x
  3. Step 3: Cross multiply
    617,746.72x = 927,219.28 × 298,123.52
  4. Step 4: Simplify right side
    617,746.72x = 276,425,877,138.21
  5. Step 5: Solve for x
    x = 276,425,877,138.21/617,746.72
  6. Step 6: Final answer
    x = 447,474.46

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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.