Home / 778,096.86-1,166,707.53-245,518.62

Finding the Fourth Proportional to 778,096.86, 1,166,707.53 and 245,518.62

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Solution

The fourth proportional to 778,096.86, 1,166,707.53 and 245,518.62 is: 368,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,096.86 : 1,166,707.53 = 245,518.62 : x
  2. Step 2: Convert to fraction form
    778,096.86/1,166,707.53 = 245,518.62/x
  3. Step 3: Cross multiply
    778,096.86x = 1,166,707.53 × 245,518.62
  4. Step 4: Simplify right side
    778,096.86x = 286,448,422,709.21
  5. Step 5: Solve for x
    x = 286,448,422,709.21/778,096.86
  6. Step 6: Final answer
    x = 368,139.80

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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.