Home / 448,334.40-673,279.20-434,337.60

Finding the Fourth Proportional to 448,334.40, 673,279.20 and 434,337.60

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Solution

The fourth proportional to 448,334.40, 673,279.20 and 434,337.60 is: 652,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,334.40 : 673,279.20 = 434,337.60 : x
  2. Step 2: Convert to fraction form
    448,334.40/673,279.20 = 434,337.60/x
  3. Step 3: Cross multiply
    448,334.40x = 673,279.20 × 434,337.60
  4. Step 4: Simplify right side
    448,334.40x = 292,430,471,857.92
  5. Step 5: Solve for x
    x = 292,430,471,857.92/448,334.40
  6. Step 6: Final answer
    x = 652,259.72

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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.