Home / 670,818.84-1,006,327.92-221,587.16

Finding the Fourth Proportional to 670,818.84, 1,006,327.92 and 221,587.16

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Solution

The fourth proportional to 670,818.84, 1,006,327.92 and 221,587.16 is: 332,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,818.84 : 1,006,327.92 = 221,587.16 : x
  2. Step 2: Convert to fraction form
    670,818.84/1,006,327.92 = 221,587.16/x
  3. Step 3: Cross multiply
    670,818.84x = 1,006,327.92 × 221,587.16
  4. Step 4: Simplify right side
    670,818.84x = 222,989,345,821.51
  5. Step 5: Solve for x
    x = 222,989,345,821.51/670,818.84
  6. Step 6: Final answer
    x = 332,413.66

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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.