Home / 738,525.47-1,107,785.77-239,889.47

Finding the Fourth Proportional to 738,525.47, 1,107,785.77 and 239,889.47

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Solution

The fourth proportional to 738,525.47, 1,107,785.77 and 239,889.47 is: 359,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,525.47 : 1,107,785.77 = 239,889.47 : x
  2. Step 2: Convert to fraction form
    738,525.47/1,107,785.77 = 239,889.47/x
  3. Step 3: Cross multiply
    738,525.47x = 1,107,785.77 × 239,889.47
  4. Step 4: Simplify right side
    738,525.47x = 265,746,135,100.19
  5. Step 5: Solve for x
    x = 265,746,135,100.19/738,525.47
  6. Step 6: Final answer
    x = 359,833.41

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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.