Home / 692,289.18-1,038,609.14-212,541.47

Finding the Fourth Proportional to 692,289.18, 1,038,609.14 and 212,541.47

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Solution

The fourth proportional to 692,289.18, 1,038,609.14 and 212,541.47 is: 318,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,289.18 : 1,038,609.14 = 212,541.47 : x
  2. Step 2: Convert to fraction form
    692,289.18/1,038,609.14 = 212,541.47/x
  3. Step 3: Cross multiply
    692,289.18x = 1,038,609.14 × 212,541.47
  4. Step 4: Simplify right side
    692,289.18x = 220,747,511,010.07
  5. Step 5: Solve for x
    x = 220,747,511,010.07/692,289.18
  6. Step 6: Final answer
    x = 318,866.04

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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.