Home / 857,730.35-1,183,659.32-475,747.31

Finding the Fourth Proportional to 857,730.35, 1,183,659.32 and 475,747.31

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Solution

The fourth proportional to 857,730.35, 1,183,659.32 and 475,747.31 is: 656,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,730.35 : 1,183,659.32 = 475,747.31 : x
  2. Step 2: Convert to fraction form
    857,730.35/1,183,659.32 = 475,747.31/x
  3. Step 3: Cross multiply
    857,730.35x = 1,183,659.32 × 475,747.31
  4. Step 4: Simplify right side
    857,730.35x = 563,122,729,149.40
  5. Step 5: Solve for x
    x = 563,122,729,149.40/857,730.35
  6. Step 6: Final answer
    x = 656,526.53

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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.