Home / 897,116.65-1,238,050.85-489,240.74

Finding the Fourth Proportional to 897,116.65, 1,238,050.85 and 489,240.74

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Solution

The fourth proportional to 897,116.65, 1,238,050.85 and 489,240.74 is: 675,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,116.65 : 1,238,050.85 = 489,240.74 : x
  2. Step 2: Convert to fraction form
    897,116.65/1,238,050.85 = 489,240.74/x
  3. Step 3: Cross multiply
    897,116.65x = 1,238,050.85 × 489,240.74
  4. Step 4: Simplify right side
    897,116.65x = 605,704,914,660.55
  5. Step 5: Solve for x
    x = 605,704,914,660.55/897,116.65
  6. Step 6: Final answer
    x = 675,168.51

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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.