Home / 728,166.16-1,004,846.02-456,380.80

Finding the Fourth Proportional to 728,166.16, 1,004,846.02 and 456,380.80

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Solution

The fourth proportional to 728,166.16, 1,004,846.02 and 456,380.80 is: 629,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,166.16 : 1,004,846.02 = 456,380.80 : x
  2. Step 2: Convert to fraction form
    728,166.16/1,004,846.02 = 456,380.80/x
  3. Step 3: Cross multiply
    728,166.16x = 1,004,846.02 × 456,380.80
  4. Step 4: Simplify right side
    728,166.16x = 458,592,430,484.42
  5. Step 5: Solve for x
    x = 458,592,430,484.42/728,166.16
  6. Step 6: Final answer
    x = 629,790.91

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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.