Home / 750,929.40-1,126,516.95-245,343.60

Finding the Fourth Proportional to 750,929.40, 1,126,516.95 and 245,343.60

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Solution

The fourth proportional to 750,929.40, 1,126,516.95 and 245,343.60 is: 368,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,929.40 : 1,126,516.95 = 245,343.60 : x
  2. Step 2: Convert to fraction form
    750,929.40/1,126,516.95 = 245,343.60/x
  3. Step 3: Cross multiply
    750,929.40x = 1,126,516.95 × 245,343.60
  4. Step 4: Simplify right side
    750,929.40x = 276,383,723,974.02
  5. Step 5: Solve for x
    x = 276,383,723,974.02/750,929.40
  6. Step 6: Final answer
    x = 368,055.54

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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.