Home / 767,768.89-1,151,653.71-262,334.82

Finding the Fourth Proportional to 767,768.89, 1,151,653.71 and 262,334.82

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Solution

The fourth proportional to 767,768.89, 1,151,653.71 and 262,334.82 is: 393,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,768.89 : 1,151,653.71 = 262,334.82 : x
  2. Step 2: Convert to fraction form
    767,768.89/1,151,653.71 = 262,334.82/x
  3. Step 3: Cross multiply
    767,768.89x = 1,151,653.71 × 262,334.82
  4. Step 4: Simplify right side
    767,768.89x = 302,118,867,539.59
  5. Step 5: Solve for x
    x = 302,118,867,539.59/767,768.89
  6. Step 6: Final answer
    x = 393,502.36

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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.