Home / 854,492.88-1,281,812.04-223,405.68

Finding the Fourth Proportional to 854,492.88, 1,281,812.04 and 223,405.68

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Solution

The fourth proportional to 854,492.88, 1,281,812.04 and 223,405.68 is: 335,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,492.88 : 1,281,812.04 = 223,405.68 : x
  2. Step 2: Convert to fraction form
    854,492.88/1,281,812.04 = 223,405.68/x
  3. Step 3: Cross multiply
    854,492.88x = 1,281,812.04 × 223,405.68
  4. Step 4: Simplify right side
    854,492.88x = 286,364,090,428.39
  5. Step 5: Solve for x
    x = 286,364,090,428.39/854,492.88
  6. Step 6: Final answer
    x = 335,127.53

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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.