Home / 495,424.36-742,946.37-210,934.54

Finding the Fourth Proportional to 495,424.36, 742,946.37 and 210,934.54

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Solution

The fourth proportional to 495,424.36, 742,946.37 and 210,934.54 is: 316,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,424.36 : 742,946.37 = 210,934.54 : x
  2. Step 2: Convert to fraction form
    495,424.36/742,946.37 = 210,934.54/x
  3. Step 3: Cross multiply
    495,424.36x = 742,946.37 × 210,934.54
  4. Step 4: Simplify right side
    495,424.36x = 156,713,050,800.62
  5. Step 5: Solve for x
    x = 156,713,050,800.62/495,424.36
  6. Step 6: Final answer
    x = 316,320.84

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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.