Home / 756,034.16-1,134,525.96-306,756.86

Finding the Fourth Proportional to 756,034.16, 1,134,525.96 and 306,756.86

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Solution

The fourth proportional to 756,034.16, 1,134,525.96 and 306,756.86 is: 460,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,034.16 : 1,134,525.96 = 306,756.86 : x
  2. Step 2: Convert to fraction form
    756,034.16/1,134,525.96 = 306,756.86/x
  3. Step 3: Cross multiply
    756,034.16x = 1,134,525.96 × 306,756.86
  4. Step 4: Simplify right side
    756,034.16x = 348,023,615,405.46
  5. Step 5: Solve for x
    x = 348,023,615,405.46/756,034.16
  6. Step 6: Final answer
    x = 460,327.90

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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.