Home / 875,624.78-1,313,328.47-235,978.56

Finding the Fourth Proportional to 875,624.78, 1,313,328.47 and 235,978.56

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Solution

The fourth proportional to 875,624.78, 1,313,328.47 and 235,978.56 is: 353,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,624.78 : 1,313,328.47 = 235,978.56 : x
  2. Step 2: Convert to fraction form
    875,624.78/1,313,328.47 = 235,978.56/x
  3. Step 3: Cross multiply
    875,624.78x = 1,313,328.47 × 235,978.56
  4. Step 4: Simplify right side
    875,624.78x = 309,917,359,977.71
  5. Step 5: Solve for x
    x = 309,917,359,977.71/875,624.78
  6. Step 6: Final answer
    x = 353,938.54

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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.