Home / 753,373.68-1,130,218.47-220,851.33

Finding the Fourth Proportional to 753,373.68, 1,130,218.47 and 220,851.33

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Solution

The fourth proportional to 753,373.68, 1,130,218.47 and 220,851.33 is: 331,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,373.68 : 1,130,218.47 = 220,851.33 : x
  2. Step 2: Convert to fraction form
    753,373.68/1,130,218.47 = 220,851.33/x
  3. Step 3: Cross multiply
    753,373.68x = 1,130,218.47 × 220,851.33
  4. Step 4: Simplify right side
    753,373.68x = 249,610,252,290.07
  5. Step 5: Solve for x
    x = 249,610,252,290.07/753,373.68
  6. Step 6: Final answer
    x = 331,323.30

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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.