Home / 751,424.10-1,036,977.85-407,271.09

Finding the Fourth Proportional to 751,424.10, 1,036,977.85 and 407,271.09

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Solution

The fourth proportional to 751,424.10, 1,036,977.85 and 407,271.09 is: 562,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,424.10 : 1,036,977.85 = 407,271.09 : x
  2. Step 2: Convert to fraction form
    751,424.10/1,036,977.85 = 407,271.09/x
  3. Step 3: Cross multiply
    751,424.10x = 1,036,977.85 × 407,271.09
  4. Step 4: Simplify right side
    751,424.10x = 422,331,099,275.36
  5. Step 5: Solve for x
    x = 422,331,099,275.36/751,424.10
  6. Step 6: Final answer
    x = 562,040.93

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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.