Home / 800,267.40-1,200,402.30-326,953.22

Finding the Fourth Proportional to 800,267.40, 1,200,402.30 and 326,953.22

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Solution

The fourth proportional to 800,267.40, 1,200,402.30 and 326,953.22 is: 490,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,267.40 : 1,200,402.30 = 326,953.22 : x
  2. Step 2: Convert to fraction form
    800,267.40/1,200,402.30 = 326,953.22/x
  3. Step 3: Cross multiply
    800,267.40x = 1,200,402.30 × 326,953.22
  4. Step 4: Simplify right side
    800,267.40x = 392,475,397,280.41
  5. Step 5: Solve for x
    x = 392,475,397,280.41/800,267.40
  6. Step 6: Final answer
    x = 490,430.32

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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.