Home / 761,245.21-1,050,630.24-438,892.21

Finding the Fourth Proportional to 761,245.21, 1,050,630.24 and 438,892.21

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Solution

The fourth proportional to 761,245.21, 1,050,630.24 and 438,892.21 is: 605,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,245.21 : 1,050,630.24 = 438,892.21 : x
  2. Step 2: Convert to fraction form
    761,245.21/1,050,630.24 = 438,892.21/x
  3. Step 3: Cross multiply
    761,245.21x = 1,050,630.24 × 438,892.21
  4. Step 4: Simplify right side
    761,245.21x = 461,113,427,926.43
  5. Step 5: Solve for x
    x = 461,113,427,926.43/761,245.21
  6. Step 6: Final answer
    x = 605,735.74

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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.