Home / 838,992.72-1,258,003.08-573,074.58

Finding the Fourth Proportional to 838,992.72, 1,258,003.08 and 573,074.58

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Solution

The fourth proportional to 838,992.72, 1,258,003.08 and 573,074.58 is: 859,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,992.72 : 1,258,003.08 = 573,074.58 : x
  2. Step 2: Convert to fraction form
    838,992.72/1,258,003.08 = 573,074.58/x
  3. Step 3: Cross multiply
    838,992.72x = 1,258,003.08 × 573,074.58
  4. Step 4: Simplify right side
    838,992.72x = 720,929,586,709.71
  5. Step 5: Solve for x
    x = 720,929,586,709.71/838,992.72
  6. Step 6: Final answer
    x = 859,279.91

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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.