Home / 777,669.10-1,166,392.91-245,120.92

Finding the Fourth Proportional to 777,669.10, 1,166,392.91 and 245,120.92

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Solution

The fourth proportional to 777,669.10, 1,166,392.91 and 245,120.92 is: 367,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,669.10 : 1,166,392.91 = 245,120.92 : x
  2. Step 2: Convert to fraction form
    777,669.10/1,166,392.91 = 245,120.92/x
  3. Step 3: Cross multiply
    777,669.10x = 1,166,392.91 × 245,120.92
  4. Step 4: Simplify right side
    777,669.10x = 285,907,301,955.07
  5. Step 5: Solve for x
    x = 285,907,301,955.07/777,669.10
  6. Step 6: Final answer
    x = 367,646.47

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1.5x scale

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.