Home / 770,140.16-1,154,964.54-264,579.20

Finding the Fourth Proportional to 770,140.16, 1,154,964.54 and 264,579.20

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Solution

The fourth proportional to 770,140.16, 1,154,964.54 and 264,579.20 is: 396,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,140.16 : 1,154,964.54 = 264,579.20 : x
  2. Step 2: Convert to fraction form
    770,140.16/1,154,964.54 = 264,579.20/x
  3. Step 3: Cross multiply
    770,140.16x = 1,154,964.54 × 264,579.20
  4. Step 4: Simplify right side
    770,140.16x = 305,579,594,021.57
  5. Step 5: Solve for x
    x = 305,579,594,021.57/770,140.16
  6. Step 6: Final answer
    x = 396,784.39

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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.