Home / 703,505.04-970,835.76-381,223.92

Finding the Fourth Proportional to 703,505.04, 970,835.76 and 381,223.92

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Solution

The fourth proportional to 703,505.04, 970,835.76 and 381,223.92 is: 526,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,505.04 : 970,835.76 = 381,223.92 : x
  2. Step 2: Convert to fraction form
    703,505.04/970,835.76 = 381,223.92/x
  3. Step 3: Cross multiply
    703,505.04x = 970,835.76 × 381,223.92
  4. Step 4: Simplify right side
    703,505.04x = 370,105,814,103.38
  5. Step 5: Solve for x
    x = 370,105,814,103.38/703,505.04
  6. Step 6: Final answer
    x = 526,088.36

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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.