Home / 751,450.10-1,037,157.62-690,924.87

Finding the Fourth Proportional to 751,450.10, 1,037,157.62 and 690,924.87

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Solution

The fourth proportional to 751,450.10, 1,037,157.62 and 690,924.87 is: 953,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,450.10 : 1,037,157.62 = 690,924.87 : x
  2. Step 2: Convert to fraction form
    751,450.10/1,037,157.62 = 690,924.87/x
  3. Step 3: Cross multiply
    751,450.10x = 1,037,157.62 × 690,924.87
  4. Step 4: Simplify right side
    751,450.10x = 716,597,990,313.39
  5. Step 5: Solve for x
    x = 716,597,990,313.39/751,450.10
  6. Step 6: Final answer
    x = 953,620.20

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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.