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Finding the Fourth Proportional to 653,817.51, 902,264.72 and 367,335.09

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Solution

The fourth proportional to 653,817.51, 902,264.72 and 367,335.09 is: 506,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,817.51 : 902,264.72 = 367,335.09 : x
  2. Step 2: Convert to fraction form
    653,817.51/902,264.72 = 367,335.09/x
  3. Step 3: Cross multiply
    653,817.51x = 902,264.72 × 367,335.09
  4. Step 4: Simplify right side
    653,817.51x = 331,433,490,288.35
  5. Step 5: Solve for x
    x = 331,433,490,288.35/653,817.51
  6. Step 6: Final answer
    x = 506,920.49

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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.