Home / 693,649.62-1,039,764.97-351,459.15

Finding the Fourth Proportional to 693,649.62, 1,039,764.97 and 351,459.15

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Solution

The fourth proportional to 693,649.62, 1,039,764.97 and 351,459.15 is: 526,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,649.62 : 1,039,764.97 = 351,459.15 : x
  2. Step 2: Convert to fraction form
    693,649.62/1,039,764.97 = 351,459.15/x
  3. Step 3: Cross multiply
    693,649.62x = 1,039,764.97 × 351,459.15
  4. Step 4: Simplify right side
    693,649.62x = 365,434,909,096.18
  5. Step 5: Solve for x
    x = 365,434,909,096.18/693,649.62
  6. Step 6: Final answer
    x = 526,829.25

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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.