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Finding the Fourth Proportional to 608,702.71, 912,180.64 and 341,901.71

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Solution

The fourth proportional to 608,702.71, 912,180.64 and 341,901.71 is: 512,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,702.71 : 912,180.64 = 341,901.71 : x
  2. Step 2: Convert to fraction form
    608,702.71/912,180.64 = 341,901.71/x
  3. Step 3: Cross multiply
    608,702.71x = 912,180.64 × 341,901.71
  4. Step 4: Simplify right side
    608,702.71x = 311,876,120,644.89
  5. Step 5: Solve for x
    x = 311,876,120,644.89/608,702.71
  6. Step 6: Final answer
    x = 512,361.97

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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.