Home / 875,977.52-1,313,557.40-455,140.40

Finding the Fourth Proportional to 875,977.52, 1,313,557.40 and 455,140.40

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Solution

The fourth proportional to 875,977.52, 1,313,557.40 and 455,140.40 is: 682,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,977.52 : 1,313,557.40 = 455,140.40 : x
  2. Step 2: Convert to fraction form
    875,977.52/1,313,557.40 = 455,140.40/x
  3. Step 3: Cross multiply
    875,977.52x = 1,313,557.40 × 455,140.40
  4. Step 4: Simplify right side
    875,977.52x = 597,853,040,458.96
  5. Step 5: Solve for x
    x = 597,853,040,458.96/875,977.52
  6. Step 6: Final answer
    x = 682,498.15

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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.