Home / 857,372.90-1,183,116.93-475,385.54

Finding the Fourth Proportional to 857,372.90, 1,183,116.93 and 475,385.54

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Solution

The fourth proportional to 857,372.90, 1,183,116.93 and 475,385.54 is: 656,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,372.90 : 1,183,116.93 = 475,385.54 : x
  2. Step 2: Convert to fraction form
    857,372.90/1,183,116.93 = 475,385.54/x
  3. Step 3: Cross multiply
    857,372.90x = 1,183,116.93 × 475,385.54
  4. Step 4: Simplify right side
    857,372.90x = 562,436,680,651.19
  5. Step 5: Solve for x
    x = 562,436,680,651.19/857,372.90
  6. Step 6: Final answer
    x = 656,000.07

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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.