Home / 647,790.18-971,497.35-248,401.86

Finding the Fourth Proportional to 647,790.18, 971,497.35 and 248,401.86

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Solution

The fourth proportional to 647,790.18, 971,497.35 and 248,401.86 is: 372,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,790.18 : 971,497.35 = 248,401.86 : x
  2. Step 2: Convert to fraction form
    647,790.18/971,497.35 = 248,401.86/x
  3. Step 3: Cross multiply
    647,790.18x = 971,497.35 × 248,401.86
  4. Step 4: Simplify right side
    647,790.18x = 241,321,748,725.07
  5. Step 5: Solve for x
    x = 241,321,748,725.07/647,790.18
  6. Step 6: Final answer
    x = 372,530.73

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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.