Home / 758,800.76-1,047,132.39-414,629.12

Finding the Fourth Proportional to 758,800.76, 1,047,132.39 and 414,629.12

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Solution

The fourth proportional to 758,800.76, 1,047,132.39 and 414,629.12 is: 572,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,800.76 : 1,047,132.39 = 414,629.12 : x
  2. Step 2: Convert to fraction form
    758,800.76/1,047,132.39 = 414,629.12/x
  3. Step 3: Cross multiply
    758,800.76x = 1,047,132.39 × 414,629.12
  4. Step 4: Simplify right side
    758,800.76x = 434,171,585,561.89
  5. Step 5: Solve for x
    x = 434,171,585,561.89/758,800.76
  6. Step 6: Final answer
    x = 572,181.28

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1.5x scale

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.