Home / 645,750.40-968,395.20-246,286.72

Finding the Fourth Proportional to 645,750.40, 968,395.20 and 246,286.72

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Solution

The fourth proportional to 645,750.40, 968,395.20 and 246,286.72 is: 369,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,750.40 : 968,395.20 = 246,286.72 : x
  2. Step 2: Convert to fraction form
    645,750.40/968,395.20 = 246,286.72/x
  3. Step 3: Cross multiply
    645,750.40x = 968,395.20 × 246,286.72
  4. Step 4: Simplify right side
    645,750.40x = 238,502,877,471.74
  5. Step 5: Solve for x
    x = 238,502,877,471.74/645,750.40
  6. Step 6: Final answer
    x = 369,342.21

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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.