Home / 500,010.24-689,877.44-285,071.92

Finding the Fourth Proportional to 500,010.24, 689,877.44 and 285,071.92

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Solution

The fourth proportional to 500,010.24, 689,877.44 and 285,071.92 is: 393,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,010.24 : 689,877.44 = 285,071.92 : x
  2. Step 2: Convert to fraction form
    500,010.24/689,877.44 = 285,071.92/x
  3. Step 3: Cross multiply
    500,010.24x = 689,877.44 × 285,071.92
  4. Step 4: Simplify right side
    500,010.24x = 196,664,686,385.49
  5. Step 5: Solve for x
    x = 196,664,686,385.49/500,010.24
  6. Step 6: Final answer
    x = 393,321.32

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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.