Home / 860,792.04-1,291,177.53-387,142.92

Finding the Fourth Proportional to 860,792.04, 1,291,177.53 and 387,142.92

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Solution

The fourth proportional to 860,792.04, 1,291,177.53 and 387,142.92 is: 580,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,792.04 : 1,291,177.53 = 387,142.92 : x
  2. Step 2: Convert to fraction form
    860,792.04/1,291,177.53 = 387,142.92/x
  3. Step 3: Cross multiply
    860,792.04x = 1,291,177.53 × 387,142.92
  4. Step 4: Simplify right side
    860,792.04x = 499,870,239,202.59
  5. Step 5: Solve for x
    x = 499,870,239,202.59/860,792.04
  6. Step 6: Final answer
    x = 580,709.64

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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.