Home / 698,708.21-1,048,283.85-249,419.45

Finding the Fourth Proportional to 698,708.21, 1,048,283.85 and 249,419.45

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Solution

The fourth proportional to 698,708.21, 1,048,283.85 and 249,419.45 is: 374,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,708.21 : 1,048,283.85 = 249,419.45 : x
  2. Step 2: Convert to fraction form
    698,708.21/1,048,283.85 = 249,419.45/x
  3. Step 3: Cross multiply
    698,708.21x = 1,048,283.85 × 249,419.45
  4. Step 4: Simplify right side
    698,708.21x = 261,462,381,310.88
  5. Step 5: Solve for x
    x = 261,462,381,310.88/698,708.21
  6. Step 6: Final answer
    x = 374,208.26

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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.