Home / 743,202.81-1,114,827.35-353,623.86

Finding the Fourth Proportional to 743,202.81, 1,114,827.35 and 353,623.86

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Solution

The fourth proportional to 743,202.81, 1,114,827.35 and 353,623.86 is: 530,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,202.81 : 1,114,827.35 = 353,623.86 : x
  2. Step 2: Convert to fraction form
    743,202.81/1,114,827.35 = 353,623.86/x
  3. Step 3: Cross multiply
    743,202.81x = 1,114,827.35 × 353,623.86
  4. Step 4: Simplify right side
    743,202.81x = 394,229,555,664.76
  5. Step 5: Solve for x
    x = 394,229,555,664.76/743,202.81
  6. Step 6: Final answer
    x = 530,446.80

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1.5x scale

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.