Home / 856,077.46-1,284,201.14-316,475.10

Finding the Fourth Proportional to 856,077.46, 1,284,201.14 and 316,475.10

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Solution

The fourth proportional to 856,077.46, 1,284,201.14 and 316,475.10 is: 474,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,077.46 : 1,284,201.14 = 316,475.10 : x
  2. Step 2: Convert to fraction form
    856,077.46/1,284,201.14 = 316,475.10/x
  3. Step 3: Cross multiply
    856,077.46x = 1,284,201.14 × 316,475.10
  4. Step 4: Simplify right side
    856,077.46x = 406,417,682,619.24
  5. Step 5: Solve for x
    x = 406,417,682,619.24/856,077.46
  6. Step 6: Final answer
    x = 474,744.05

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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.