Home / 770,259.60-1,153,202.40-728,366.40

Finding the Fourth Proportional to 770,259.60, 1,153,202.40 and 728,366.40

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Solution

The fourth proportional to 770,259.60, 1,153,202.40 and 728,366.40 is: 1,090,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,259.60 : 1,153,202.40 = 728,366.40 : x
  2. Step 2: Convert to fraction form
    770,259.60/1,153,202.40 = 728,366.40/x
  3. Step 3: Cross multiply
    770,259.60x = 1,153,202.40 × 728,366.40
  4. Step 4: Simplify right side
    770,259.60x = 839,953,880,559.36
  5. Step 5: Solve for x
    x = 839,953,880,559.36/770,259.60
  6. Step 6: Final answer
    x = 1,090,481.55

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1.5x scale

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.