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Finding the Fourth Proportional to 476,444.89, 657,495.24 and 261,598.87

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Solution

The fourth proportional to 476,444.89, 657,495.24 and 261,598.87 is: 361,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,444.89 : 657,495.24 = 261,598.87 : x
  2. Step 2: Convert to fraction form
    476,444.89/657,495.24 = 261,598.87/x
  3. Step 3: Cross multiply
    476,444.89x = 657,495.24 × 261,598.87
  4. Step 4: Simplify right side
    476,444.89x = 172,000,011,814.38
  5. Step 5: Solve for x
    x = 172,000,011,814.38/476,444.89
  6. Step 6: Final answer
    x = 361,007.15

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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.