Home / 655,528.23-904,618.94-369,047.43

Finding the Fourth Proportional to 655,528.23, 904,618.94 and 369,047.43

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Solution

The fourth proportional to 655,528.23, 904,618.94 and 369,047.43 is: 509,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,528.23 : 904,618.94 = 369,047.43 : x
  2. Step 2: Convert to fraction form
    655,528.23/904,618.94 = 369,047.43/x
  3. Step 3: Cross multiply
    655,528.23x = 904,618.94 × 369,047.43
  4. Step 4: Simplify right side
    655,528.23x = 333,847,293,091.09
  5. Step 5: Solve for x
    x = 333,847,293,091.09/655,528.23
  6. Step 6: Final answer
    x = 509,279.81

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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.