Home / 495,027.75-742,854.00-210,717.87

Finding the Fourth Proportional to 495,027.75, 742,854.00 and 210,717.87

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Solution

The fourth proportional to 495,027.75, 742,854.00 and 210,717.87 is: 316,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,027.75 : 742,854.00 = 210,717.87 : x
  2. Step 2: Convert to fraction form
    495,027.75/742,854.00 = 210,717.87/x
  3. Step 3: Cross multiply
    495,027.75x = 742,854.00 × 210,717.87
  4. Step 4: Simplify right side
    495,027.75x = 156,532,609,420.18
  5. Step 5: Solve for x
    x = 156,532,609,420.18/495,027.75
  6. Step 6: Final answer
    x = 316,209.77

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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.