Home / 877,903.45-1,316,960.64-309,167

Finding the Fourth Proportional to 877,903.45, 1,316,960.64 and 309,167

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Solution

The fourth proportional to 877,903.45, 1,316,960.64 and 309,167 is: 463,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,903.45 : 1,316,960.64 = 309,167 : x
  2. Step 2: Convert to fraction form
    877,903.45/1,316,960.64 = 309,167/x
  3. Step 3: Cross multiply
    877,903.45x = 1,316,960.64 × 309,167
  4. Step 4: Simplify right side
    877,903.45x = 407,160,770,186.88
  5. Step 5: Solve for x
    x = 407,160,770,186.88/877,903.45
  6. Step 6: Final answer
    x = 463,787.64

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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.