Home / 851,615.58-1,277,497.15-312,018.42

Finding the Fourth Proportional to 851,615.58, 1,277,497.15 and 312,018.42

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Solution

The fourth proportional to 851,615.58, 1,277,497.15 and 312,018.42 is: 468,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,615.58 : 1,277,497.15 = 312,018.42 : x
  2. Step 2: Convert to fraction form
    851,615.58/1,277,497.15 = 312,018.42/x
  3. Step 3: Cross multiply
    851,615.58x = 1,277,497.15 × 312,018.42
  4. Step 4: Simplify right side
    851,615.58x = 398,602,641,517.46
  5. Step 5: Solve for x
    x = 398,602,641,517.46/851,615.58
  6. Step 6: Final answer
    x = 468,054.66

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1.5x scale

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.