Home / 656,893.32-985,340.16-302,205.84

Finding the Fourth Proportional to 656,893.32, 985,340.16 and 302,205.84

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Solution

The fourth proportional to 656,893.32, 985,340.16 and 302,205.84 is: 453,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,893.32 : 985,340.16 = 302,205.84 : x
  2. Step 2: Convert to fraction form
    656,893.32/985,340.16 = 302,205.84/x
  3. Step 3: Cross multiply
    656,893.32x = 985,340.16 × 302,205.84
  4. Step 4: Simplify right side
    656,893.32x = 297,775,550,738.53
  5. Step 5: Solve for x
    x = 297,775,550,738.53/656,893.32
  6. Step 6: Final answer
    x = 453,308.84

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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.