Home / 851,889.76-1,277,461.73-319,037.13

Finding the Fourth Proportional to 851,889.76, 1,277,461.73 and 319,037.13

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Solution

The fourth proportional to 851,889.76, 1,277,461.73 and 319,037.13 is: 478,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,889.76 : 1,277,461.73 = 319,037.13 : x
  2. Step 2: Convert to fraction form
    851,889.76/1,277,461.73 = 319,037.13/x
  3. Step 3: Cross multiply
    851,889.76x = 1,277,461.73 × 319,037.13
  4. Step 4: Simplify right side
    851,889.76x = 407,557,724,821.63
  5. Step 5: Solve for x
    x = 407,557,724,821.63/851,889.76
  6. Step 6: Final answer
    x = 478,416.04

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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.