Home / 727,256.36-1,003,604.11-400,563.05

Finding the Fourth Proportional to 727,256.36, 1,003,604.11 and 400,563.05

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Solution

The fourth proportional to 727,256.36, 1,003,604.11 and 400,563.05 is: 552,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,256.36 : 1,003,604.11 = 400,563.05 : x
  2. Step 2: Convert to fraction form
    727,256.36/1,003,604.11 = 400,563.05/x
  3. Step 3: Cross multiply
    727,256.36x = 1,003,604.11 × 400,563.05
  4. Step 4: Simplify right side
    727,256.36x = 402,006,717,274.71
  5. Step 5: Solve for x
    x = 402,006,717,274.71/727,256.36
  6. Step 6: Final answer
    x = 552,771.67

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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.