Home / 875,390.67-1,313,200.80-342,842.49

Finding the Fourth Proportional to 875,390.67, 1,313,200.80 and 342,842.49

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Solution

The fourth proportional to 875,390.67, 1,313,200.80 and 342,842.49 is: 514,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,390.67 : 1,313,200.80 = 342,842.49 : x
  2. Step 2: Convert to fraction form
    875,390.67/1,313,200.80 = 342,842.49/x
  3. Step 3: Cross multiply
    875,390.67x = 1,313,200.80 × 342,842.49
  4. Step 4: Simplify right side
    875,390.67x = 450,221,032,141.99
  5. Step 5: Solve for x
    x = 450,221,032,141.99/875,390.67
  6. Step 6: Final answer
    x = 514,308.69

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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.