Home / 751,378.98-1,036,900.34-407,223.27

Finding the Fourth Proportional to 751,378.98, 1,036,900.34 and 407,223.27

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Solution

The fourth proportional to 751,378.98, 1,036,900.34 and 407,223.27 is: 561,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,378.98 : 1,036,900.34 = 407,223.27 : x
  2. Step 2: Convert to fraction form
    751,378.98/1,036,900.34 = 407,223.27/x
  3. Step 3: Cross multiply
    751,378.98x = 1,036,900.34 × 407,223.27
  4. Step 4: Simplify right side
    751,378.98x = 422,249,944,238.08
  5. Step 5: Solve for x
    x = 422,249,944,238.08/751,378.98
  6. Step 6: Final answer
    x = 561,966.67

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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.