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Finding the Fourth Proportional to 577,256.10, 796,638.02 and 322,607.28

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Solution

The fourth proportional to 577,256.10, 796,638.02 and 322,607.28 is: 445,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,256.10 : 796,638.02 = 322,607.28 : x
  2. Step 2: Convert to fraction form
    577,256.10/796,638.02 = 322,607.28/x
  3. Step 3: Cross multiply
    577,256.10x = 796,638.02 × 322,607.28
  4. Step 4: Simplify right side
    577,256.10x = 257,001,224,776.79
  5. Step 5: Solve for x
    x = 257,001,224,776.79/577,256.10
  6. Step 6: Final answer
    x = 445,211.80

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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.