Home / 768,457.56-1,152,867.78-263,024.76

Finding the Fourth Proportional to 768,457.56, 1,152,867.78 and 263,024.76

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Solution

The fourth proportional to 768,457.56, 1,152,867.78 and 263,024.76 is: 394,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,457.56 : 1,152,867.78 = 263,024.76 : x
  2. Step 2: Convert to fraction form
    768,457.56/1,152,867.78 = 263,024.76/x
  3. Step 3: Cross multiply
    768,457.56x = 1,152,867.78 × 263,024.76
  4. Step 4: Simplify right side
    768,457.56x = 303,232,771,146.23
  5. Step 5: Solve for x
    x = 303,232,771,146.23/768,457.56
  6. Step 6: Final answer
    x = 394,599.24

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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.