Home / 457,130.45-630,844.67-275,807.34

Finding the Fourth Proportional to 457,130.45, 630,844.67 and 275,807.34

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Solution

The fourth proportional to 457,130.45, 630,844.67 and 275,807.34 is: 380,616.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,130.45 : 630,844.67 = 275,807.34 : x
  2. Step 2: Convert to fraction form
    457,130.45/630,844.67 = 275,807.34/x
  3. Step 3: Cross multiply
    457,130.45x = 630,844.67 × 275,807.34
  4. Step 4: Simplify right side
    457,130.45x = 173,991,589,006.84
  5. Step 5: Solve for x
    x = 173,991,589,006.84/457,130.45
  6. Step 6: Final answer
    x = 380,616.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.