Home / 525,480.12-786,432.41-322,969.44

Finding the Fourth Proportional to 525,480.12, 786,432.41 and 322,969.44

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Solution

The fourth proportional to 525,480.12, 786,432.41 and 322,969.44 is: 483,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,480.12 : 786,432.41 = 322,969.44 : x
  2. Step 2: Convert to fraction form
    525,480.12/786,432.41 = 322,969.44/x
  3. Step 3: Cross multiply
    525,480.12x = 786,432.41 × 322,969.44
  4. Step 4: Simplify right side
    525,480.12x = 253,993,638,812.10
  5. Step 5: Solve for x
    x = 253,993,638,812.10/525,480.12
  6. Step 6: Final answer
    x = 483,355.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.