Home / 443,829.84-612,313.07-282,656.04

Finding the Fourth Proportional to 443,829.84, 612,313.07 and 282,656.04

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Solution

The fourth proportional to 443,829.84, 612,313.07 and 282,656.04 is: 389,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,829.84 : 612,313.07 = 282,656.04 : x
  2. Step 2: Convert to fraction form
    443,829.84/612,313.07 = 282,656.04/x
  3. Step 3: Cross multiply
    443,829.84x = 612,313.07 × 282,656.04
  4. Step 4: Simplify right side
    443,829.84x = 173,073,986,193.16
  5. Step 5: Solve for x
    x = 173,073,986,193.16/443,829.84
  6. Step 6: Final answer
    x = 389,955.72

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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.