Home / 753,270.96-1,130,080.32-220,833.12

Finding the Fourth Proportional to 753,270.96, 1,130,080.32 and 220,833.12

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Solution

The fourth proportional to 753,270.96, 1,130,080.32 and 220,833.12 is: 331,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,270.96 : 1,130,080.32 = 220,833.12 : x
  2. Step 2: Convert to fraction form
    753,270.96/1,130,080.32 = 220,833.12/x
  3. Step 3: Cross multiply
    753,270.96x = 1,130,080.32 × 220,833.12
  4. Step 4: Simplify right side
    753,270.96x = 249,559,162,916.20
  5. Step 5: Solve for x
    x = 249,559,162,916.20/753,270.96
  6. Step 6: Final answer
    x = 331,300.66

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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.