Home / 842,193.36-1,263,790.20-310,088.24

Finding the Fourth Proportional to 842,193.36, 1,263,790.20 and 310,088.24

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Solution

The fourth proportional to 842,193.36, 1,263,790.20 and 310,088.24 is: 465,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,193.36 : 1,263,790.20 = 310,088.24 : x
  2. Step 2: Convert to fraction form
    842,193.36/1,263,790.20 = 310,088.24/x
  3. Step 3: Cross multiply
    842,193.36x = 1,263,790.20 × 310,088.24
  4. Step 4: Simplify right side
    842,193.36x = 391,886,478,847.25
  5. Step 5: Solve for x
    x = 391,886,478,847.25/842,193.36
  6. Step 6: Final answer
    x = 465,316.51

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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.