Home / 834,876.45-1,250,645.25-384,981.39

Finding the Fourth Proportional to 834,876.45, 1,250,645.25 and 384,981.39

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Solution

The fourth proportional to 834,876.45, 1,250,645.25 and 384,981.39 is: 576,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,876.45 : 1,250,645.25 = 384,981.39 : x
  2. Step 2: Convert to fraction form
    834,876.45/1,250,645.25 = 384,981.39/x
  3. Step 3: Cross multiply
    834,876.45x = 1,250,645.25 × 384,981.39
  4. Step 4: Simplify right side
    834,876.45x = 481,475,146,741.90
  5. Step 5: Solve for x
    x = 481,475,146,741.90/834,876.45
  6. Step 6: Final answer
    x = 576,702.27

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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.