Home / 747,457.30-1,121,003.70-214,922.80

Finding the Fourth Proportional to 747,457.30, 1,121,003.70 and 214,922.80

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Solution

The fourth proportional to 747,457.30, 1,121,003.70 and 214,922.80 is: 322,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,457.30 : 1,121,003.70 = 214,922.80 : x
  2. Step 2: Convert to fraction form
    747,457.30/1,121,003.70 = 214,922.80/x
  3. Step 3: Cross multiply
    747,457.30x = 1,121,003.70 × 214,922.80
  4. Step 4: Simplify right side
    747,457.30x = 240,929,254,014.36
  5. Step 5: Solve for x
    x = 240,929,254,014.36/747,457.30
  6. Step 6: Final answer
    x = 322,331.80

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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.