Home / 727,294.47-1,091,113.42-228,658.47

Finding the Fourth Proportional to 727,294.47, 1,091,113.42 and 228,658.47

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Solution

The fourth proportional to 727,294.47, 1,091,113.42 and 228,658.47 is: 343,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,294.47 : 1,091,113.42 = 228,658.47 : x
  2. Step 2: Convert to fraction form
    727,294.47/1,091,113.42 = 228,658.47/x
  3. Step 3: Cross multiply
    727,294.47x = 1,091,113.42 × 228,658.47
  4. Step 4: Simplify right side
    727,294.47x = 249,492,325,213.67
  5. Step 5: Solve for x
    x = 249,492,325,213.67/727,294.47
  6. Step 6: Final answer
    x = 343,041.69

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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.