Home / 529,278.12-730,519.29-325,504.35

Finding the Fourth Proportional to 529,278.12, 730,519.29 and 325,504.35

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Solution

The fourth proportional to 529,278.12, 730,519.29 and 325,504.35 is: 449,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,278.12 : 730,519.29 = 325,504.35 : x
  2. Step 2: Convert to fraction form
    529,278.12/730,519.29 = 325,504.35/x
  3. Step 3: Cross multiply
    529,278.12x = 730,519.29 × 325,504.35
  4. Step 4: Simplify right side
    529,278.12x = 237,787,206,653.91
  5. Step 5: Solve for x
    x = 237,787,206,653.91/529,278.12
  6. Step 6: Final answer
    x = 449,267.03

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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.