Home / 897,548.34-1,238,622.66-489,656.64

Finding the Fourth Proportional to 897,548.34, 1,238,622.66 and 489,656.64

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Solution

The fourth proportional to 897,548.34, 1,238,622.66 and 489,656.64 is: 675,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,548.34 : 1,238,622.66 = 489,656.64 : x
  2. Step 2: Convert to fraction form
    897,548.34/1,238,622.66 = 489,656.64/x
  3. Step 3: Cross multiply
    897,548.34x = 1,238,622.66 × 489,656.64
  4. Step 4: Simplify right side
    897,548.34x = 606,499,809,923.46
  5. Step 5: Solve for x
    x = 606,499,809,923.46/897,548.34
  6. Step 6: Final answer
    x = 675,729.41

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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.