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Finding the Fourth Proportional to 475,457.04, 656,339.76 and 332,777.16

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Solution

The fourth proportional to 475,457.04, 656,339.76 and 332,777.16 is: 459,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,457.04 : 656,339.76 = 332,777.16 : x
  2. Step 2: Convert to fraction form
    475,457.04/656,339.76 = 332,777.16/x
  3. Step 3: Cross multiply
    475,457.04x = 656,339.76 × 332,777.16
  4. Step 4: Simplify right side
    475,457.04x = 218,414,881,327.88
  5. Step 5: Solve for x
    x = 218,414,881,327.88/475,457.04
  6. Step 6: Final answer
    x = 459,378.79

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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.