Home / 897,292.80-1,238,279.04-489,396.96

Finding the Fourth Proportional to 897,292.80, 1,238,279.04 and 489,396.96

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Solution

The fourth proportional to 897,292.80, 1,238,279.04 and 489,396.96 is: 675,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,292.80 : 1,238,279.04 = 489,396.96 : x
  2. Step 2: Convert to fraction form
    897,292.80/1,238,279.04 = 489,396.96/x
  3. Step 3: Cross multiply
    897,292.80x = 1,238,279.04 × 489,396.96
  4. Step 4: Simplify right side
    897,292.80x = 606,009,997,807.72
  5. Step 5: Solve for x
    x = 606,009,997,807.72/897,292.80
  6. Step 6: Final answer
    x = 675,375.97

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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.