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Finding the Fourth Proportional to 653,010.64, 900,857.64 and 437,926.48

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Solution

The fourth proportional to 653,010.64, 900,857.64 and 437,926.48 is: 604,139.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,010.64 : 900,857.64 = 437,926.48 : x
  2. Step 2: Convert to fraction form
    653,010.64/900,857.64 = 437,926.48/x
  3. Step 3: Cross multiply
    653,010.64x = 900,857.64 × 437,926.48
  4. Step 4: Simplify right side
    653,010.64x = 394,509,415,266.31
  5. Step 5: Solve for x
    x = 394,509,415,266.31/653,010.64
  6. Step 6: Final answer
    x = 604,139.34

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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.