Home / 756,011.34-1,134,025.38-323,670.60

Finding the Fourth Proportional to 756,011.34, 1,134,025.38 and 323,670.60

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Solution

The fourth proportional to 756,011.34, 1,134,025.38 and 323,670.60 is: 485,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,011.34 : 1,134,025.38 = 323,670.60 : x
  2. Step 2: Convert to fraction form
    756,011.34/1,134,025.38 = 323,670.60/x
  3. Step 3: Cross multiply
    756,011.34x = 1,134,025.38 × 323,670.60
  4. Step 4: Simplify right side
    756,011.34x = 367,050,675,159.83
  5. Step 5: Solve for x
    x = 367,050,675,159.83/756,011.34
  6. Step 6: Final answer
    x = 485,509.48

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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.