Home / 645,732.58-968,597.24-307,748.74

Finding the Fourth Proportional to 645,732.58, 968,597.24 and 307,748.74

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Solution

The fourth proportional to 645,732.58, 968,597.24 and 307,748.74 is: 461,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,732.58 : 968,597.24 = 307,748.74 : x
  2. Step 2: Convert to fraction form
    645,732.58/968,597.24 = 307,748.74/x
  3. Step 3: Cross multiply
    645,732.58x = 968,597.24 × 307,748.74
  4. Step 4: Simplify right side
    645,732.58x = 298,084,580,177.48
  5. Step 5: Solve for x
    x = 298,084,580,177.48/645,732.58
  6. Step 6: Final answer
    x = 461,622.33

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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.