Home / 897,367.16-1,238,366.69-489,468.98

Finding the Fourth Proportional to 897,367.16, 1,238,366.69 and 489,468.98

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Solution

The fourth proportional to 897,367.16, 1,238,366.69 and 489,468.98 is: 675,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,367.16 : 1,238,366.69 = 489,468.98 : x
  2. Step 2: Convert to fraction form
    897,367.16/1,238,366.69 = 489,468.98/x
  3. Step 3: Cross multiply
    897,367.16x = 1,238,366.69 × 489,468.98
  4. Step 4: Simplify right side
    897,367.16x = 606,142,083,104.36
  5. Step 5: Solve for x
    x = 606,142,083,104.36/897,367.16
  6. Step 6: Final answer
    x = 675,467.20

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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.