Home / 456,000.82-684,074.73-140,457.58

Finding the Fourth Proportional to 456,000.82, 684,074.73 and 140,457.58

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Solution

The fourth proportional to 456,000.82, 684,074.73 and 140,457.58 is: 210,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,000.82 : 684,074.73 = 140,457.58 : x
  2. Step 2: Convert to fraction form
    456,000.82/684,074.73 = 140,457.58/x
  3. Step 3: Cross multiply
    456,000.82x = 684,074.73 × 140,457.58
  4. Step 4: Simplify right side
    456,000.82x = 96,083,481,114.95
  5. Step 5: Solve for x
    x = 96,083,481,114.95/456,000.82
  6. Step 6: Final answer
    x = 210,709.01

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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.