Home / 421,895.21-633,280.22-282,627.05

Finding the Fourth Proportional to 421,895.21, 633,280.22 and 282,627.05

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Solution

The fourth proportional to 421,895.21, 633,280.22 and 282,627.05 is: 424,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,895.21 : 633,280.22 = 282,627.05 : x
  2. Step 2: Convert to fraction form
    421,895.21/633,280.22 = 282,627.05/x
  3. Step 3: Cross multiply
    421,895.21x = 633,280.22 × 282,627.05
  4. Step 4: Simplify right side
    421,895.21x = 178,982,118,988.82
  5. Step 5: Solve for x
    x = 178,982,118,988.82/421,895.21
  6. Step 6: Final answer
    x = 424,233.59

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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.