Home / 724,448.58-1,000,073.43-434,198.58

Finding the Fourth Proportional to 724,448.58, 1,000,073.43 and 434,198.58

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Solution

The fourth proportional to 724,448.58, 1,000,073.43 and 434,198.58 is: 599,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,448.58 : 1,000,073.43 = 434,198.58 : x
  2. Step 2: Convert to fraction form
    724,448.58/1,000,073.43 = 434,198.58/x
  3. Step 3: Cross multiply
    724,448.58x = 1,000,073.43 × 434,198.58
  4. Step 4: Simplify right side
    724,448.58x = 434,230,463,201.73
  5. Step 5: Solve for x
    x = 434,230,463,201.73/724,448.58
  6. Step 6: Final answer
    x = 599,394.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.