Home / 700,751.49-1,050,307.29-321,708.86

Finding the Fourth Proportional to 700,751.49, 1,050,307.29 and 321,708.86

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Solution

The fourth proportional to 700,751.49, 1,050,307.29 and 321,708.86 is: 482,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,751.49 : 1,050,307.29 = 321,708.86 : x
  2. Step 2: Convert to fraction form
    700,751.49/1,050,307.29 = 321,708.86/x
  3. Step 3: Cross multiply
    700,751.49x = 1,050,307.29 × 321,708.86
  4. Step 4: Simplify right side
    700,751.49x = 337,893,155,664.05
  5. Step 5: Solve for x
    x = 337,893,155,664.05/700,751.49
  6. Step 6: Final answer
    x = 482,186.85

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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.