Home / 897,387.32-1,238,409.04-489,489.04

Finding the Fourth Proportional to 897,387.32, 1,238,409.04 and 489,489.04

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Solution

The fourth proportional to 897,387.32, 1,238,409.04 and 489,489.04 is: 675,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,387.32 : 1,238,409.04 = 489,489.04 : x
  2. Step 2: Convert to fraction form
    897,387.32/1,238,409.04 = 489,489.04/x
  3. Step 3: Cross multiply
    897,387.32x = 1,238,409.04 × 489,489.04
  4. Step 4: Simplify right side
    897,387.32x = 606,187,652,116.92
  5. Step 5: Solve for x
    x = 606,187,652,116.92/897,387.32
  6. Step 6: Final answer
    x = 675,502.81

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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.