Home / 645,700.20-968,579.10-246,532.20

Finding the Fourth Proportional to 645,700.20, 968,579.10 and 246,532.20

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Solution

The fourth proportional to 645,700.20, 968,579.10 and 246,532.20 is: 369,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,700.20 : 968,579.10 = 246,532.20 : x
  2. Step 2: Convert to fraction form
    645,700.20/968,579.10 = 246,532.20/x
  3. Step 3: Cross multiply
    645,700.20x = 968,579.10 × 246,532.20
  4. Step 4: Simplify right side
    645,700.20x = 238,785,936,397.02
  5. Step 5: Solve for x
    x = 238,785,936,397.02/645,700.20
  6. Step 6: Final answer
    x = 369,809.30

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Double scale
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Similar ratio
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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.