Home / 376,274.16-517,992.12-325,985.31

Finding the Fourth Proportional to 376,274.16, 517,992.12 and 325,985.31

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Solution

The fourth proportional to 376,274.16, 517,992.12 and 325,985.31 is: 448,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,274.16 : 517,992.12 = 325,985.31 : x
  2. Step 2: Convert to fraction form
    376,274.16/517,992.12 = 325,985.31/x
  3. Step 3: Cross multiply
    376,274.16x = 517,992.12 × 325,985.31
  4. Step 4: Simplify right side
    376,274.16x = 168,857,821,815.76
  5. Step 5: Solve for x
    x = 168,857,821,815.76/376,274.16
  6. Step 6: Final answer
    x = 448,762.74

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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.