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Finding the Fourth Proportional to 671,007.38, 926,009.62 and 369,201.38

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Solution

The fourth proportional to 671,007.38, 926,009.62 and 369,201.38 is: 509,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,007.38 : 926,009.62 = 369,201.38 : x
  2. Step 2: Convert to fraction form
    671,007.38/926,009.62 = 369,201.38/x
  3. Step 3: Cross multiply
    671,007.38x = 926,009.62 × 369,201.38
  4. Step 4: Simplify right side
    671,007.38x = 341,884,024,044.22
  5. Step 5: Solve for x
    x = 341,884,024,044.22/671,007.38
  6. Step 6: Final answer
    x = 509,508.59

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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.