Home / 670,685.67-1,006,128.54-221,454

Finding the Fourth Proportional to 670,685.67, 1,006,128.54 and 221,454

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Solution

The fourth proportional to 670,685.67, 1,006,128.54 and 221,454 is: 332,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,685.67 : 1,006,128.54 = 221,454 : x
  2. Step 2: Convert to fraction form
    670,685.67/1,006,128.54 = 221,454/x
  3. Step 3: Cross multiply
    670,685.67x = 1,006,128.54 × 221,454
  4. Step 4: Simplify right side
    670,685.67x = 222,811,189,697.16
  5. Step 5: Solve for x
    x = 222,811,189,697.16/670,685.67
  6. Step 6: Final answer
    x = 332,214.03

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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.