Home / 452,511.21-624,485.10-258,979.67

Finding the Fourth Proportional to 452,511.21, 624,485.10 and 258,979.67

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Solution

The fourth proportional to 452,511.21, 624,485.10 and 258,979.67 is: 357,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,511.21 : 624,485.10 = 258,979.67 : x
  2. Step 2: Convert to fraction form
    452,511.21/624,485.10 = 258,979.67/x
  3. Step 3: Cross multiply
    452,511.21x = 624,485.10 × 258,979.67
  4. Step 4: Simplify right side
    452,511.21x = 161,728,945,117.92
  5. Step 5: Solve for x
    x = 161,728,945,117.92/452,511.21
  6. Step 6: Final answer
    x = 357,403.18

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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.