Home / 724,455.40-1,086,828.90-606,940.60

Finding the Fourth Proportional to 724,455.40, 1,086,828.90 and 606,940.60

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Solution

The fourth proportional to 724,455.40, 1,086,828.90 and 606,940.60 is: 910,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,455.40 : 1,086,828.90 = 606,940.60 : x
  2. Step 2: Convert to fraction form
    724,455.40/1,086,828.90 = 606,940.60/x
  3. Step 3: Cross multiply
    724,455.40x = 1,086,828.90 × 606,940.60
  4. Step 4: Simplify right side
    724,455.40x = 659,640,584,663.34
  5. Step 5: Solve for x
    x = 659,640,584,663.34/724,455.40
  6. Step 6: Final answer
    x = 910,533.05

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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.