Home / 708,760.20-1,061,390.70-470,814.60

Finding the Fourth Proportional to 708,760.20, 1,061,390.70 and 470,814.60

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Solution

The fourth proportional to 708,760.20, 1,061,390.70 and 470,814.60 is: 705,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,760.20 : 1,061,390.70 = 470,814.60 : x
  2. Step 2: Convert to fraction form
    708,760.20/1,061,390.70 = 470,814.60/x
  3. Step 3: Cross multiply
    708,760.20x = 1,061,390.70 × 470,814.60
  4. Step 4: Simplify right side
    708,760.20x = 499,718,237,864.22
  5. Step 5: Solve for x
    x = 499,718,237,864.22/708,760.20
  6. Step 6: Final answer
    x = 705,059.68

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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.