Home / 645,300.62-968,377.32-303,841.71

Finding the Fourth Proportional to 645,300.62, 968,377.32 and 303,841.71

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Solution

The fourth proportional to 645,300.62, 968,377.32 and 303,841.71 is: 455,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,300.62 : 968,377.32 = 303,841.71 : x
  2. Step 2: Convert to fraction form
    645,300.62/968,377.32 = 303,841.71/x
  3. Step 3: Cross multiply
    645,300.62x = 968,377.32 × 303,841.71
  4. Step 4: Simplify right side
    645,300.62x = 294,233,420,834.02
  5. Step 5: Solve for x
    x = 294,233,420,834.02/645,300.62
  6. Step 6: Final answer
    x = 455,963.34

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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.