Home / 405,981.56-607,759.05-245,572.05

Finding the Fourth Proportional to 405,981.56, 607,759.05 and 245,572.05

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Solution

The fourth proportional to 405,981.56, 607,759.05 and 245,572.05 is: 367,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,981.56 : 607,759.05 = 245,572.05 : x
  2. Step 2: Convert to fraction form
    405,981.56/607,759.05 = 245,572.05/x
  3. Step 3: Cross multiply
    405,981.56x = 607,759.05 × 245,572.05
  4. Step 4: Simplify right side
    405,981.56x = 149,248,635,814.55
  5. Step 5: Solve for x
    x = 149,248,635,814.55/405,981.56
  6. Step 6: Final answer
    x = 367,624.17

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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.