Home / 753,241.42-1,039,469.58-409,074.94

Finding the Fourth Proportional to 753,241.42, 1,039,469.58 and 409,074.94

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Solution

The fourth proportional to 753,241.42, 1,039,469.58 and 409,074.94 is: 564,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,241.42 : 1,039,469.58 = 409,074.94 : x
  2. Step 2: Convert to fraction form
    753,241.42/1,039,469.58 = 409,074.94/x
  3. Step 3: Cross multiply
    753,241.42x = 1,039,469.58 × 409,074.94
  4. Step 4: Simplify right side
    753,241.42x = 425,220,956,070.33
  5. Step 5: Solve for x
    x = 425,220,956,070.33/753,241.42
  6. Step 6: Final answer
    x = 564,521.47

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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.