Home / 339,623.60-509,435.40-310,593.20

Finding the Fourth Proportional to 339,623.60, 509,435.40 and 310,593.20

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Solution

The fourth proportional to 339,623.60, 509,435.40 and 310,593.20 is: 465,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,623.60 : 509,435.40 = 310,593.20 : x
  2. Step 2: Convert to fraction form
    339,623.60/509,435.40 = 310,593.20/x
  3. Step 3: Cross multiply
    339,623.60x = 509,435.40 × 310,593.20
  4. Step 4: Simplify right side
    339,623.60x = 158,227,171,079.28
  5. Step 5: Solve for x
    x = 158,227,171,079.28/339,623.60
  6. Step 6: Final answer
    x = 465,889.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.