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Finding the Fourth Proportional to 659,939.37, 910,716.31 and 358,133.37

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Solution

The fourth proportional to 659,939.37, 910,716.31 and 358,133.37 is: 494,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,939.37 : 910,716.31 = 358,133.37 : x
  2. Step 2: Convert to fraction form
    659,939.37/910,716.31 = 358,133.37/x
  3. Step 3: Cross multiply
    659,939.37x = 910,716.31 × 358,133.37
  4. Step 4: Simplify right side
    659,939.37x = 326,157,901,214.27
  5. Step 5: Solve for x
    x = 326,157,901,214.27/659,939.37
  6. Step 6: Final answer
    x = 494,224.04

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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.