Home / 875,902.40-1,313,896.80-455,998.40

Finding the Fourth Proportional to 875,902.40, 1,313,896.80 and 455,998.40

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Solution

The fourth proportional to 875,902.40, 1,313,896.80 and 455,998.40 is: 684,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,902.40 : 1,313,896.80 = 455,998.40 : x
  2. Step 2: Convert to fraction form
    875,902.40/1,313,896.80 = 455,998.40/x
  3. Step 3: Cross multiply
    875,902.40x = 1,313,896.80 × 455,998.40
  4. Step 4: Simplify right side
    875,902.40x = 599,134,838,565.12
  5. Step 5: Solve for x
    x = 599,134,838,565.12/875,902.40
  6. Step 6: Final answer
    x = 684,020.09

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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.