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Finding the Fourth Proportional to 572,735.51, 790,349.42 and 343,419.37

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Solution

The fourth proportional to 572,735.51, 790,349.42 and 343,419.37 is: 473,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,735.51 : 790,349.42 = 343,419.37 : x
  2. Step 2: Convert to fraction form
    572,735.51/790,349.42 = 343,419.37/x
  3. Step 3: Cross multiply
    572,735.51x = 790,349.42 × 343,419.37
  4. Step 4: Simplify right side
    572,735.51x = 271,421,299,896.27
  5. Step 5: Solve for x
    x = 271,421,299,896.27/572,735.51
  6. Step 6: Final answer
    x = 473,903.39

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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.