Home / 897,097.42-1,238,024.34-489,221.58

Finding the Fourth Proportional to 897,097.42, 1,238,024.34 and 489,221.58

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Solution

The fourth proportional to 897,097.42, 1,238,024.34 and 489,221.58 is: 675,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,097.42 : 1,238,024.34 = 489,221.58 : x
  2. Step 2: Convert to fraction form
    897,097.42/1,238,024.34 = 489,221.58/x
  3. Step 3: Cross multiply
    897,097.42x = 1,238,024.34 × 489,221.58
  4. Step 4: Simplify right side
    897,097.42x = 605,668,223,693.26
  5. Step 5: Solve for x
    x = 605,668,223,693.26/897,097.42
  6. Step 6: Final answer
    x = 675,142.09

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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.