Home / 857,132.07-1,285,912.16-604,905.19

Finding the Fourth Proportional to 857,132.07, 1,285,912.16 and 604,905.19

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Solution

The fourth proportional to 857,132.07, 1,285,912.16 and 604,905.19 is: 907,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,132.07 : 1,285,912.16 = 604,905.19 : x
  2. Step 2: Convert to fraction form
    857,132.07/1,285,912.16 = 604,905.19/x
  3. Step 3: Cross multiply
    857,132.07x = 1,285,912.16 × 604,905.19
  4. Step 4: Simplify right side
    857,132.07x = 777,854,939,468.11
  5. Step 5: Solve for x
    x = 777,854,939,468.11/857,132.07
  6. Step 6: Final answer
    x = 907,508.85

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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.