Home / 495,430.86-742,956.12-210,941.04

Finding the Fourth Proportional to 495,430.86, 742,956.12 and 210,941.04

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Solution

The fourth proportional to 495,430.86, 742,956.12 and 210,941.04 is: 316,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,430.86 : 742,956.12 = 210,941.04 : x
  2. Step 2: Convert to fraction form
    495,430.86/742,956.12 = 210,941.04/x
  3. Step 3: Cross multiply
    495,430.86x = 742,956.12 × 210,941.04
  4. Step 4: Simplify right side
    495,430.86x = 156,719,936,627.17
  5. Step 5: Solve for x
    x = 156,719,936,627.17/495,430.86
  6. Step 6: Final answer
    x = 316,330.59

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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.