Home / 857,129.57-1,285,908.41-604,902.69

Finding the Fourth Proportional to 857,129.57, 1,285,908.41 and 604,902.69

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Solution

The fourth proportional to 857,129.57, 1,285,908.41 and 604,902.69 is: 907,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,129.57 : 1,285,908.41 = 604,902.69 : x
  2. Step 2: Convert to fraction form
    857,129.57/1,285,908.41 = 604,902.69/x
  3. Step 3: Cross multiply
    857,129.57x = 1,285,908.41 × 604,902.69
  4. Step 4: Simplify right side
    857,129.57x = 777,849,453,278.11
  5. Step 5: Solve for x
    x = 777,849,453,278.11/857,129.57
  6. Step 6: Final answer
    x = 907,505.10

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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.