Home / 510,784.43-704,914.35-281,341.67

Finding the Fourth Proportional to 510,784.43, 704,914.35 and 281,341.67

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Solution

The fourth proportional to 510,784.43, 704,914.35 and 281,341.67 is: 388,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,784.43 : 704,914.35 = 281,341.67 : x
  2. Step 2: Convert to fraction form
    510,784.43/704,914.35 = 281,341.67/x
  3. Step 3: Cross multiply
    510,784.43x = 704,914.35 × 281,341.67
  4. Step 4: Simplify right side
    510,784.43x = 198,321,780,435.96
  5. Step 5: Solve for x
    x = 198,321,780,435.96/510,784.43
  6. Step 6: Final answer
    x = 388,269.04

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1.5x scale

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.