Home / 500,849.61-691,037.96-285,946.89

Finding the Fourth Proportional to 500,849.61, 691,037.96 and 285,946.89

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Solution

The fourth proportional to 500,849.61, 691,037.96 and 285,946.89 is: 394,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,849.61 : 691,037.96 = 285,946.89 : x
  2. Step 2: Convert to fraction form
    500,849.61/691,037.96 = 285,946.89/x
  3. Step 3: Cross multiply
    500,849.61x = 691,037.96 × 285,946.89
  4. Step 4: Simplify right side
    500,849.61x = 197,600,155,533.94
  5. Step 5: Solve for x
    x = 197,600,155,533.94/500,849.61
  6. Step 6: Final answer
    x = 394,529.92

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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.