Home / 857,822.41-1,285,835.75-289,006.95

Finding the Fourth Proportional to 857,822.41, 1,285,835.75 and 289,006.95

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Solution

The fourth proportional to 857,822.41, 1,285,835.75 and 289,006.95 is: 433,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,822.41 : 1,285,835.75 = 289,006.95 : x
  2. Step 2: Convert to fraction form
    857,822.41/1,285,835.75 = 289,006.95/x
  3. Step 3: Cross multiply
    857,822.41x = 1,285,835.75 × 289,006.95
  4. Step 4: Simplify right side
    857,822.41x = 371,615,468,308.46
  5. Step 5: Solve for x
    x = 371,615,468,308.46/857,822.41
  6. Step 6: Final answer
    x = 433,207.93

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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.