Home / 723,148.12-1,084,733.12-273,748.33

Finding the Fourth Proportional to 723,148.12, 1,084,733.12 and 273,748.33

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Solution

The fourth proportional to 723,148.12, 1,084,733.12 and 273,748.33 is: 410,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,148.12 : 1,084,733.12 = 273,748.33 : x
  2. Step 2: Convert to fraction form
    723,148.12/1,084,733.12 = 273,748.33/x
  3. Step 3: Cross multiply
    723,148.12x = 1,084,733.12 × 273,748.33
  4. Step 4: Simplify right side
    723,148.12x = 296,943,878,068.23
  5. Step 5: Solve for x
    x = 296,943,878,068.23/723,148.12
  6. Step 6: Final answer
    x = 410,626.63

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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.