Home / 664,748.49-997,332.54-505,586.82

Finding the Fourth Proportional to 664,748.49, 997,332.54 and 505,586.82

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Solution

The fourth proportional to 664,748.49, 997,332.54 and 505,586.82 is: 758,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,748.49 : 997,332.54 = 505,586.82 : x
  2. Step 2: Convert to fraction form
    664,748.49/997,332.54 = 505,586.82/x
  3. Step 3: Cross multiply
    664,748.49x = 997,332.54 × 505,586.82
  4. Step 4: Simplify right side
    664,748.49x = 504,238,187,381.12
  5. Step 5: Solve for x
    x = 504,238,187,381.12/664,748.49
  6. Step 6: Final answer
    x = 758,539.80

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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.