Home / 659,905.46-990,232.70-356,295.59

Finding the Fourth Proportional to 659,905.46, 990,232.70 and 356,295.59

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Solution

The fourth proportional to 659,905.46, 990,232.70 and 356,295.59 is: 534,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,905.46 : 990,232.70 = 356,295.59 : x
  2. Step 2: Convert to fraction form
    659,905.46/990,232.70 = 356,295.59/x
  3. Step 3: Cross multiply
    659,905.46x = 990,232.70 × 356,295.59
  4. Step 4: Simplify right side
    659,905.46x = 352,815,542,302.32
  5. Step 5: Solve for x
    x = 352,815,542,302.32/659,905.46
  6. Step 6: Final answer
    x = 534,645.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.