Home / 897,353.68-1,238,351.93-489,464.27

Finding the Fourth Proportional to 897,353.68, 1,238,351.93 and 489,464.27

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Solution

The fourth proportional to 897,353.68, 1,238,351.93 and 489,464.27 is: 675,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,353.68 : 1,238,351.93 = 489,464.27 : x
  2. Step 2: Convert to fraction form
    897,353.68/1,238,351.93 = 489,464.27/x
  3. Step 3: Cross multiply
    897,353.68x = 1,238,351.93 × 489,464.27
  4. Step 4: Simplify right side
    897,353.68x = 606,129,023,420.54
  5. Step 5: Solve for x
    x = 606,129,023,420.54/897,353.68
  6. Step 6: Final answer
    x = 675,462.79

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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.