Home / 725,325.21-1,000,928.90-403,027.02

Finding the Fourth Proportional to 725,325.21, 1,000,928.90 and 403,027.02

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Solution

The fourth proportional to 725,325.21, 1,000,928.90 and 403,027.02 is: 556,166.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,325.21 : 1,000,928.90 = 403,027.02 : x
  2. Step 2: Convert to fraction form
    725,325.21/1,000,928.90 = 403,027.02/x
  3. Step 3: Cross multiply
    725,325.21x = 1,000,928.90 × 403,027.02
  4. Step 4: Simplify right side
    725,325.21x = 403,401,392,806.45
  5. Step 5: Solve for x
    x = 403,401,392,806.45/725,325.21
  6. Step 6: Final answer
    x = 556,166.24

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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.