Home / 745,076.88-1,117,652.04-212,676.30

Finding the Fourth Proportional to 745,076.88, 1,117,652.04 and 212,676.30

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Solution

The fourth proportional to 745,076.88, 1,117,652.04 and 212,676.30 is: 319,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,076.88 : 1,117,652.04 = 212,676.30 : x
  2. Step 2: Convert to fraction form
    745,076.88/1,117,652.04 = 212,676.30/x
  3. Step 3: Cross multiply
    745,076.88x = 1,117,652.04 × 212,676.30
  4. Step 4: Simplify right side
    745,076.88x = 237,698,100,554.65
  5. Step 5: Solve for x
    x = 237,698,100,554.65/745,076.88
  6. Step 6: Final answer
    x = 319,024.93

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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.