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Finding the Fourth Proportional to 602,845.56, 832,041.66 and 398,900.52

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Solution

The fourth proportional to 602,845.56, 832,041.66 and 398,900.52 is: 550,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,845.56 : 832,041.66 = 398,900.52 : x
  2. Step 2: Convert to fraction form
    602,845.56/832,041.66 = 398,900.52/x
  3. Step 3: Cross multiply
    602,845.56x = 832,041.66 × 398,900.52
  4. Step 4: Simplify right side
    602,845.56x = 331,901,850,835.66
  5. Step 5: Solve for x
    x = 331,901,850,835.66/602,845.56
  6. Step 6: Final answer
    x = 550,558.67

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1.5x scale

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.