Home / 710,855.67-1,066,580.18-311,782.85

Finding the Fourth Proportional to 710,855.67, 1,066,580.18 and 311,782.85

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Solution

The fourth proportional to 710,855.67, 1,066,580.18 and 311,782.85 is: 467,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,855.67 : 1,066,580.18 = 311,782.85 : x
  2. Step 2: Convert to fraction form
    710,855.67/1,066,580.18 = 311,782.85/x
  3. Step 3: Cross multiply
    710,855.67x = 1,066,580.18 × 311,782.85
  4. Step 4: Simplify right side
    710,855.67x = 332,541,408,273.91
  5. Step 5: Solve for x
    x = 332,541,408,273.91/710,855.67
  6. Step 6: Final answer
    x = 467,804.40

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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.