Home / 399,276.60-551,094.30-263,334.84

Finding the Fourth Proportional to 399,276.60, 551,094.30 and 263,334.84

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Solution

The fourth proportional to 399,276.60, 551,094.30 and 263,334.84 is: 363,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,276.60 : 551,094.30 = 263,334.84 : x
  2. Step 2: Convert to fraction form
    399,276.60/551,094.30 = 263,334.84/x
  3. Step 3: Cross multiply
    399,276.60x = 551,094.30 × 263,334.84
  4. Step 4: Simplify right side
    399,276.60x = 145,122,329,315.41
  5. Step 5: Solve for x
    x = 145,122,329,315.41/399,276.60
  6. Step 6: Final answer
    x = 363,463.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.