Home / 470,209.28-648,852.86-276,624.70

Finding the Fourth Proportional to 470,209.28, 648,852.86 and 276,624.70

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Solution

The fourth proportional to 470,209.28, 648,852.86 and 276,624.70 is: 381,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,209.28 : 648,852.86 = 276,624.70 : x
  2. Step 2: Convert to fraction form
    470,209.28/648,852.86 = 276,624.70/x
  3. Step 3: Cross multiply
    470,209.28x = 648,852.86 × 276,624.70
  4. Step 4: Simplify right side
    470,209.28x = 179,488,727,741.64
  5. Step 5: Solve for x
    x = 179,488,727,741.64/470,209.28
  6. Step 6: Final answer
    x = 381,720.94

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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.