Home / 897,801.77-1,238,996.33-489,926.06

Finding the Fourth Proportional to 897,801.77, 1,238,996.33 and 489,926.06

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Solution

The fourth proportional to 897,801.77, 1,238,996.33 and 489,926.06 is: 676,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,801.77 : 1,238,996.33 = 489,926.06 : x
  2. Step 2: Convert to fraction form
    897,801.77/1,238,996.33 = 489,926.06/x
  3. Step 3: Cross multiply
    897,801.77x = 1,238,996.33 × 489,926.06
  4. Step 4: Simplify right side
    897,801.77x = 607,016,587,861.73
  5. Step 5: Solve for x
    x = 607,016,587,861.73/897,801.77
  6. Step 6: Final answer
    x = 676,114.27

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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.