Home / 897,626.54-1,238,681.30-489,704.06

Finding the Fourth Proportional to 897,626.54, 1,238,681.30 and 489,704.06

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Solution

The fourth proportional to 897,626.54, 1,238,681.30 and 489,704.06 is: 675,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,626.54 : 1,238,681.30 = 489,704.06 : x
  2. Step 2: Convert to fraction form
    897,626.54/1,238,681.30 = 489,704.06/x
  3. Step 3: Cross multiply
    897,626.54x = 1,238,681.30 × 489,704.06
  4. Step 4: Simplify right side
    897,626.54x = 606,587,261,656.08
  5. Step 5: Solve for x
    x = 606,587,261,656.08/897,626.54
  6. Step 6: Final answer
    x = 675,767.97

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1.5x scale

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.