Home / 838,584.92-1,258,074.12-239,554.64

Finding the Fourth Proportional to 838,584.92, 1,258,074.12 and 239,554.64

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Solution

The fourth proportional to 838,584.92, 1,258,074.12 and 239,554.64 is: 359,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,584.92 : 1,258,074.12 = 239,554.64 : x
  2. Step 2: Convert to fraction form
    838,584.92/1,258,074.12 = 239,554.64/x
  3. Step 3: Cross multiply
    838,584.92x = 1,258,074.12 × 239,554.64
  4. Step 4: Simplify right side
    838,584.92x = 301,377,492,909.92
  5. Step 5: Solve for x
    x = 301,377,492,909.92/838,584.92
  6. Step 6: Final answer
    x = 359,388.16

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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.