Home / 838,843.04-1,258,805.64-306,319.52

Finding the Fourth Proportional to 838,843.04, 1,258,805.64 and 306,319.52

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Solution

The fourth proportional to 838,843.04, 1,258,805.64 and 306,319.52 is: 459,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,843.04 : 1,258,805.64 = 306,319.52 : x
  2. Step 2: Convert to fraction form
    838,843.04/1,258,805.64 = 306,319.52/x
  3. Step 3: Cross multiply
    838,843.04x = 1,258,805.64 × 306,319.52
  4. Step 4: Simplify right side
    838,843.04x = 385,596,739,418.09
  5. Step 5: Solve for x
    x = 385,596,739,418.09/838,843.04
  6. Step 6: Final answer
    x = 459,676.87

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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.