Home / 878,957.50-1,212,927.66-496,992.28

Finding the Fourth Proportional to 878,957.50, 1,212,927.66 and 496,992.28

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Solution

The fourth proportional to 878,957.50, 1,212,927.66 and 496,992.28 is: 685,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,957.50 : 1,212,927.66 = 496,992.28 : x
  2. Step 2: Convert to fraction form
    878,957.50/1,212,927.66 = 496,992.28/x
  3. Step 3: Cross multiply
    878,957.50x = 1,212,927.66 × 496,992.28
  4. Step 4: Simplify right side
    878,957.50x = 602,815,683,218.47
  5. Step 5: Solve for x
    x = 602,815,683,218.47/878,957.50
  6. Step 6: Final answer
    x = 685,830.30

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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.