Home / 768,054.78-1,152,082.76-262,619.57

Finding the Fourth Proportional to 768,054.78, 1,152,082.76 and 262,619.57

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Solution

The fourth proportional to 768,054.78, 1,152,082.76 and 262,619.57 is: 393,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,054.78 : 1,152,082.76 = 262,619.57 : x
  2. Step 2: Convert to fraction form
    768,054.78/1,152,082.76 = 262,619.57/x
  3. Step 3: Cross multiply
    768,054.78x = 1,152,082.76 × 262,619.57
  4. Step 4: Simplify right side
    768,054.78x = 302,559,480,602.72
  5. Step 5: Solve for x
    x = 302,559,480,602.72/768,054.78
  6. Step 6: Final answer
    x = 393,929.56

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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.