Home / 703,719.92-971,134.52-381,429.93

Finding the Fourth Proportional to 703,719.92, 971,134.52 and 381,429.93

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Solution

The fourth proportional to 703,719.92, 971,134.52 and 381,429.93 is: 526,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,719.92 : 971,134.52 = 381,429.93 : x
  2. Step 2: Convert to fraction form
    703,719.92/971,134.52 = 381,429.93/x
  3. Step 3: Cross multiply
    703,719.92x = 971,134.52 × 381,429.93
  4. Step 4: Simplify right side
    703,719.92x = 370,419,768,256.16
  5. Step 5: Solve for x
    x = 370,419,768,256.16/703,719.92
  6. Step 6: Final answer
    x = 526,373.86

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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.