Home / 786,983.92-1,085,902.38-442,772.08

Finding the Fourth Proportional to 786,983.92, 1,085,902.38 and 442,772.08

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Solution

The fourth proportional to 786,983.92, 1,085,902.38 and 442,772.08 is: 610,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,983.92 : 1,085,902.38 = 442,772.08 : x
  2. Step 2: Convert to fraction form
    786,983.92/1,085,902.38 = 442,772.08/x
  3. Step 3: Cross multiply
    786,983.92x = 1,085,902.38 × 442,772.08
  4. Step 4: Simplify right side
    786,983.92x = 480,807,255,469.55
  5. Step 5: Solve for x
    x = 480,807,255,469.55/786,983.92
  6. Step 6: Final answer
    x = 610,949.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.