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Finding the Fourth Proportional to 602,726.16, 904,227.32 and 261,226.88

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Solution

The fourth proportional to 602,726.16, 904,227.32 and 261,226.88 is: 391,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,726.16 : 904,227.32 = 261,226.88 : x
  2. Step 2: Convert to fraction form
    602,726.16/904,227.32 = 261,226.88/x
  3. Step 3: Cross multiply
    602,726.16x = 904,227.32 × 261,226.88
  4. Step 4: Simplify right side
    602,726.16x = 236,208,481,614.36
  5. Step 5: Solve for x
    x = 236,208,481,614.36/602,726.16
  6. Step 6: Final answer
    x = 391,900.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.