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Finding the Fourth Proportional to 617,747.60, 927,220.59 and 298,124.40

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Solution

The fourth proportional to 617,747.60, 927,220.59 and 298,124.40 is: 447,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,747.60 : 927,220.59 = 298,124.40 : x
  2. Step 2: Convert to fraction form
    617,747.60/927,220.59 = 298,124.40/x
  3. Step 3: Cross multiply
    617,747.60x = 927,220.59 × 298,124.40
  4. Step 4: Simplify right side
    617,747.60x = 276,427,082,061.40
  5. Step 5: Solve for x
    x = 276,427,082,061.40/617,747.60
  6. Step 6: Final answer
    x = 447,475.77

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1.5x scale

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.