Home / 451,752.90-623,438.55-270,429.75

Finding the Fourth Proportional to 451,752.90, 623,438.55 and 270,429.75

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Solution

The fourth proportional to 451,752.90, 623,438.55 and 270,429.75 is: 373,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,752.90 : 623,438.55 = 270,429.75 : x
  2. Step 2: Convert to fraction form
    451,752.90/623,438.55 = 270,429.75/x
  3. Step 3: Cross multiply
    451,752.90x = 623,438.55 × 270,429.75
  4. Step 4: Simplify right side
    451,752.90x = 168,596,331,216.86
  5. Step 5: Solve for x
    x = 168,596,331,216.86/451,752.90
  6. Step 6: Final answer
    x = 373,204.76

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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.