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Finding the Fourth Proportional to 577,000.98, 796,371.36 and 380,422.28

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Solution

The fourth proportional to 577,000.98, 796,371.36 and 380,422.28 is: 525,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,000.98 : 796,371.36 = 380,422.28 : x
  2. Step 2: Convert to fraction form
    577,000.98/796,371.36 = 380,422.28/x
  3. Step 3: Cross multiply
    577,000.98x = 796,371.36 × 380,422.28
  4. Step 4: Simplify right side
    577,000.98x = 302,957,408,497.90
  5. Step 5: Solve for x
    x = 302,957,408,497.90/577,000.98
  6. Step 6: Final answer
    x = 525,055.28

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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.