Home / 645,899.12-968,853.54-246,432.50

Finding the Fourth Proportional to 645,899.12, 968,853.54 and 246,432.50

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Solution

The fourth proportional to 645,899.12, 968,853.54 and 246,432.50 is: 369,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,899.12 : 968,853.54 = 246,432.50 : x
  2. Step 2: Convert to fraction form
    645,899.12/968,853.54 = 246,432.50/x
  3. Step 3: Cross multiply
    645,899.12x = 968,853.54 × 246,432.50
  4. Step 4: Simplify right side
    645,899.12x = 238,756,999,996.05
  5. Step 5: Solve for x
    x = 238,756,999,996.05/645,899.12
  6. Step 6: Final answer
    x = 369,650.60

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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.