Home / 509,243-764,032.98-272,532.92

Finding the Fourth Proportional to 509,243, 764,032.98 and 272,532.92

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Solution

The fourth proportional to 509,243, 764,032.98 and 272,532.92 is: 408,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,243 : 764,032.98 = 272,532.92 : x
  2. Step 2: Convert to fraction form
    509,243/764,032.98 = 272,532.92/x
  3. Step 3: Cross multiply
    509,243x = 764,032.98 × 272,532.92
  4. Step 4: Simplify right side
    509,243x = 208,224,139,015.70
  5. Step 5: Solve for x
    x = 208,224,139,015.70/509,243
  6. Step 6: Final answer
    x = 408,889.55

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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.