Home / 617,746.60-927,219.09-298,123.40

Finding the Fourth Proportional to 617,746.60, 927,219.09 and 298,123.40

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Solution

The fourth proportional to 617,746.60, 927,219.09 and 298,123.40 is: 447,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,746.60 : 927,219.09 = 298,123.40 : x
  2. Step 2: Convert to fraction form
    617,746.60/927,219.09 = 298,123.40/x
  3. Step 3: Cross multiply
    617,746.60x = 927,219.09 × 298,123.40
  4. Step 4: Simplify right side
    617,746.60x = 276,425,703,019.61
  5. Step 5: Solve for x
    x = 276,425,703,019.61/617,746.60
  6. Step 6: Final answer
    x = 447,474.26

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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.