Home / 452,742.60-680,426.10-395,005.80

Finding the Fourth Proportional to 452,742.60, 680,426.10 and 395,005.80

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Solution

The fourth proportional to 452,742.60, 680,426.10 and 395,005.80 is: 593,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,742.60 : 680,426.10 = 395,005.80 : x
  2. Step 2: Convert to fraction form
    452,742.60/680,426.10 = 395,005.80/x
  3. Step 3: Cross multiply
    452,742.60x = 680,426.10 × 395,005.80
  4. Step 4: Simplify right side
    452,742.60x = 268,772,255,971.38
  5. Step 5: Solve for x
    x = 268,772,255,971.38/452,742.60
  6. Step 6: Final answer
    x = 593,653.56

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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.