Home / 534,380.64-737,090.56-343,635.36

Finding the Fourth Proportional to 534,380.64, 737,090.56 and 343,635.36

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Solution

The fourth proportional to 534,380.64, 737,090.56 and 343,635.36 is: 473,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,380.64 : 737,090.56 = 343,635.36 : x
  2. Step 2: Convert to fraction form
    534,380.64/737,090.56 = 343,635.36/x
  3. Step 3: Cross multiply
    534,380.64x = 737,090.56 × 343,635.36
  4. Step 4: Simplify right side
    534,380.64x = 253,290,379,938.20
  5. Step 5: Solve for x
    x = 253,290,379,938.20/534,380.64
  6. Step 6: Final answer
    x = 473,988.69

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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.