Home / 825,503.57-1,238,378.37-292,980.00

Finding the Fourth Proportional to 825,503.57, 1,238,378.37 and 292,980.00

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Solution

The fourth proportional to 825,503.57, 1,238,378.37 and 292,980.00 is: 439,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,503.57 : 1,238,378.37 = 292,980.00 : x
  2. Step 2: Convert to fraction form
    825,503.57/1,238,378.37 = 292,980.00/x
  3. Step 3: Cross multiply
    825,503.57x = 1,238,378.37 × 292,980.00
  4. Step 4: Simplify right side
    825,503.57x = 362,820,100,035.86
  5. Step 5: Solve for x
    x = 362,820,100,035.86/825,503.57
  6. Step 6: Final answer
    x = 439,513.67

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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.