Home / 430,744.14-646,079.25-262,220.73

Finding the Fourth Proportional to 430,744.14, 646,079.25 and 262,220.73

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Solution

The fourth proportional to 430,744.14, 646,079.25 and 262,220.73 is: 393,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,744.14 : 646,079.25 = 262,220.73 : x
  2. Step 2: Convert to fraction form
    430,744.14/646,079.25 = 262,220.73/x
  3. Step 3: Cross multiply
    430,744.14x = 646,079.25 × 262,220.73
  4. Step 4: Simplify right side
    430,744.14x = 169,415,372,572.85
  5. Step 5: Solve for x
    x = 169,415,372,572.85/430,744.14
  6. Step 6: Final answer
    x = 393,308.60

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1.5x scale

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.