Home / 753,822.72-1,130,457.60-221,207.04

Finding the Fourth Proportional to 753,822.72, 1,130,457.60 and 221,207.04

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Solution

The fourth proportional to 753,822.72, 1,130,457.60 and 221,207.04 is: 331,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,822.72 : 1,130,457.60 = 221,207.04 : x
  2. Step 2: Convert to fraction form
    753,822.72/1,130,457.60 = 221,207.04/x
  3. Step 3: Cross multiply
    753,822.72x = 1,130,457.60 × 221,207.04
  4. Step 4: Simplify right side
    753,822.72x = 250,065,179,541.50
  5. Step 5: Solve for x
    x = 250,065,179,541.50/753,822.72
  6. Step 6: Final answer
    x = 331,729.43

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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.