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Finding the Fourth Proportional to 602,371.35, 903,994.02 and 485,454.33

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Solution

The fourth proportional to 602,371.35, 903,994.02 and 485,454.33 is: 728,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,371.35 : 903,994.02 = 485,454.33 : x
  2. Step 2: Convert to fraction form
    602,371.35/903,994.02 = 485,454.33/x
  3. Step 3: Cross multiply
    602,371.35x = 903,994.02 × 485,454.33
  4. Step 4: Simplify right side
    602,371.35x = 438,847,811,303.11
  5. Step 5: Solve for x
    x = 438,847,811,303.11/602,371.35
  6. Step 6: Final answer
    x = 728,533.67

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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.