Home / 770,435.55-1,155,653.33-717,947.55

Finding the Fourth Proportional to 770,435.55, 1,155,653.33 and 717,947.55

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Solution

The fourth proportional to 770,435.55, 1,155,653.33 and 717,947.55 is: 1,076,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,435.55 : 1,155,653.33 = 717,947.55 : x
  2. Step 2: Convert to fraction form
    770,435.55/1,155,653.33 = 717,947.55/x
  3. Step 3: Cross multiply
    770,435.55x = 1,155,653.33 × 717,947.55
  4. Step 4: Simplify right side
    770,435.55x = 829,698,473,333.10
  5. Step 5: Solve for x
    x = 829,698,473,333.10/770,435.55
  6. Step 6: Final answer
    x = 1,076,921.33

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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.