Home / 495,020.83-742,843.61-210,710.94

Finding the Fourth Proportional to 495,020.83, 742,843.61 and 210,710.94

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Solution

The fourth proportional to 495,020.83, 742,843.61 and 210,710.94 is: 316,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,020.83 : 742,843.61 = 210,710.94 : x
  2. Step 2: Convert to fraction form
    495,020.83/742,843.61 = 210,710.94/x
  3. Step 3: Cross multiply
    495,020.83x = 742,843.61 × 210,710.94
  4. Step 4: Simplify right side
    495,020.83x = 156,525,275,336.09
  5. Step 5: Solve for x
    x = 156,525,275,336.09/495,020.83
  6. Step 6: Final answer
    x = 316,199.37

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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.