Home / 607,371.20-911,056.80-465,653.60

Finding the Fourth Proportional to 607,371.20, 911,056.80 and 465,653.60

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Solution

The fourth proportional to 607,371.20, 911,056.80 and 465,653.60 is: 698,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,371.20 : 911,056.80 = 465,653.60 : x
  2. Step 2: Convert to fraction form
    607,371.20/911,056.80 = 465,653.60/x
  3. Step 3: Cross multiply
    607,371.20x = 911,056.80 × 465,653.60
  4. Step 4: Simplify right side
    607,371.20x = 424,236,878,724.48
  5. Step 5: Solve for x
    x = 424,236,878,724.48/607,371.20
  6. Step 6: Final answer
    x = 698,480.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.