Home / 874,855.84-1,207,410.96-492,973.60

Finding the Fourth Proportional to 874,855.84, 1,207,410.96 and 492,973.60

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Solution

The fourth proportional to 874,855.84, 1,207,410.96 and 492,973.60 is: 680,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,855.84 : 1,207,410.96 = 492,973.60 : x
  2. Step 2: Convert to fraction form
    874,855.84/1,207,410.96 = 492,973.60/x
  3. Step 3: Cross multiply
    874,855.84x = 1,207,410.96 × 492,973.60
  4. Step 4: Simplify right side
    874,855.84x = 595,221,727,630.66
  5. Step 5: Solve for x
    x = 595,221,727,630.66/874,855.84
  6. Step 6: Final answer
    x = 680,365.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.