Home / 507,128.76-761,078.61-187,582.95

Finding the Fourth Proportional to 507,128.76, 761,078.61 and 187,582.95

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Solution

The fourth proportional to 507,128.76, 761,078.61 and 187,582.95 is: 281,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,128.76 : 761,078.61 = 187,582.95 : x
  2. Step 2: Convert to fraction form
    507,128.76/761,078.61 = 187,582.95/x
  3. Step 3: Cross multiply
    507,128.76x = 761,078.61 × 187,582.95
  4. Step 4: Simplify right side
    507,128.76x = 142,765,370,845.70
  5. Step 5: Solve for x
    x = 142,765,370,845.70/507,128.76
  6. Step 6: Final answer
    x = 281,517.01

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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.