Home / 875,844.90-1,313,654.37-276,866.64

Finding the Fourth Proportional to 875,844.90, 1,313,654.37 and 276,866.64

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Solution

The fourth proportional to 875,844.90, 1,313,654.37 and 276,866.64 is: 415,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,844.90 : 1,313,654.37 = 276,866.64 : x
  2. Step 2: Convert to fraction form
    875,844.90/1,313,654.37 = 276,866.64/x
  3. Step 3: Cross multiply
    875,844.90x = 1,313,654.37 × 276,866.64
  4. Step 4: Simplify right side
    875,844.90x = 363,707,071,543.22
  5. Step 5: Solve for x
    x = 363,707,071,543.22/875,844.90
  6. Step 6: Final answer
    x = 415,264.25

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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.