Home / 495,418.85-742,938.12-210,929.03

Finding the Fourth Proportional to 495,418.85, 742,938.12 and 210,929.03

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Solution

The fourth proportional to 495,418.85, 742,938.12 and 210,929.03 is: 316,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,418.85 : 742,938.12 = 210,929.03 : x
  2. Step 2: Convert to fraction form
    495,418.85/742,938.12 = 210,929.03/x
  3. Step 3: Cross multiply
    495,418.85x = 742,938.12 × 210,929.03
  4. Step 4: Simplify right side
    495,418.85x = 156,707,213,286.93
  5. Step 5: Solve for x
    x = 156,707,213,286.93/495,418.85
  6. Step 6: Final answer
    x = 316,312.58

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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.