Home / 897,056.26-1,237,928.59-489,157.07

Finding the Fourth Proportional to 897,056.26, 1,237,928.59 and 489,157.07

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Solution

The fourth proportional to 897,056.26, 1,237,928.59 and 489,157.07 is: 675,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,056.26 : 1,237,928.59 = 489,157.07 : x
  2. Step 2: Convert to fraction form
    897,056.26/1,237,928.59 = 489,157.07/x
  3. Step 3: Cross multiply
    897,056.26x = 1,237,928.59 × 489,157.07
  4. Step 4: Simplify right side
    897,056.26x = 605,541,521,953.63
  5. Step 5: Solve for x
    x = 605,541,521,953.63/897,056.26
  6. Step 6: Final answer
    x = 675,031.82

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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.