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Finding the Fourth Proportional to 655,362.80, 904,342.97 and 364,952.42

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Solution

The fourth proportional to 655,362.80, 904,342.97 and 364,952.42 is: 503,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,362.80 : 904,342.97 = 364,952.42 : x
  2. Step 2: Convert to fraction form
    655,362.80/904,342.97 = 364,952.42/x
  3. Step 3: Cross multiply
    655,362.80x = 904,342.97 × 364,952.42
  4. Step 4: Simplify right side
    655,362.80x = 330,042,149,065.01
  5. Step 5: Solve for x
    x = 330,042,149,065.01/655,362.80
  6. Step 6: Final answer
    x = 503,602.21

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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.