Home / 703,747.53-971,173.67-381,458.91

Finding the Fourth Proportional to 703,747.53, 971,173.67 and 381,458.91

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Solution

The fourth proportional to 703,747.53, 971,173.67 and 381,458.91 is: 526,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,747.53 : 971,173.67 = 381,458.91 : x
  2. Step 2: Convert to fraction form
    703,747.53/971,173.67 = 381,458.91/x
  3. Step 3: Cross multiply
    703,747.53x = 971,173.67 × 381,458.91
  4. Step 4: Simplify right side
    703,747.53x = 370,462,849,578.90
  5. Step 5: Solve for x
    x = 370,462,849,578.90/703,747.53
  6. Step 6: Final answer
    x = 526,414.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.