Home / 808,097.46-1,212,138.18-309,461.46

Finding the Fourth Proportional to 808,097.46, 1,212,138.18 and 309,461.46

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Solution

The fourth proportional to 808,097.46, 1,212,138.18 and 309,461.46 is: 464,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,097.46 : 1,212,138.18 = 309,461.46 : x
  2. Step 2: Convert to fraction form
    808,097.46/1,212,138.18 = 309,461.46/x
  3. Step 3: Cross multiply
    808,097.46x = 1,212,138.18 × 309,461.46
  4. Step 4: Simplify right side
    808,097.46x = 375,110,050,904.54
  5. Step 5: Solve for x
    x = 375,110,050,904.54/808,097.46
  6. Step 6: Final answer
    x = 464,189.12

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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.