Home / 753,573.26-1,039,942.86-409,416.01

Finding the Fourth Proportional to 753,573.26, 1,039,942.86 and 409,416.01

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Solution

The fourth proportional to 753,573.26, 1,039,942.86 and 409,416.01 is: 565,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,573.26 : 1,039,942.86 = 409,416.01 : x
  2. Step 2: Convert to fraction form
    753,573.26/1,039,942.86 = 409,416.01/x
  3. Step 3: Cross multiply
    753,573.26x = 1,039,942.86 × 409,416.01
  4. Step 4: Simplify right side
    753,573.26x = 425,769,256,369.19
  5. Step 5: Solve for x
    x = 425,769,256,369.19/753,573.26
  6. Step 6: Final answer
    x = 565,000.48

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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.