Home / 486,584.58-671,492.35-268,788.74

Finding the Fourth Proportional to 486,584.58, 671,492.35 and 268,788.74

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Solution

The fourth proportional to 486,584.58, 671,492.35 and 268,788.74 is: 370,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,584.58 : 671,492.35 = 268,788.74 : x
  2. Step 2: Convert to fraction form
    486,584.58/671,492.35 = 268,788.74/x
  3. Step 3: Cross multiply
    486,584.58x = 671,492.35 × 268,788.74
  4. Step 4: Simplify right side
    486,584.58x = 180,489,582,172.76
  5. Step 5: Solve for x
    x = 180,489,582,172.76/486,584.58
  6. Step 6: Final answer
    x = 370,931.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.