Home / 434,678.55-651,143.03-301,708.95

Finding the Fourth Proportional to 434,678.55, 651,143.03 and 301,708.95

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Solution

The fourth proportional to 434,678.55, 651,143.03 and 301,708.95 is: 451,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,678.55 : 651,143.03 = 301,708.95 : x
  2. Step 2: Convert to fraction form
    434,678.55/651,143.03 = 301,708.95/x
  3. Step 3: Cross multiply
    434,678.55x = 651,143.03 × 301,708.95
  4. Step 4: Simplify right side
    434,678.55x = 196,455,678,372.57
  5. Step 5: Solve for x
    x = 196,455,678,372.57/434,678.55
  6. Step 6: Final answer
    x = 451,956.23

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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.