Home / 724,694.22-1,000,170.27-438,216.35

Finding the Fourth Proportional to 724,694.22, 1,000,170.27 and 438,216.35

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Solution

The fourth proportional to 724,694.22, 1,000,170.27 and 438,216.35 is: 604,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,694.22 : 1,000,170.27 = 438,216.35 : x
  2. Step 2: Convert to fraction form
    724,694.22/1,000,170.27 = 438,216.35/x
  3. Step 3: Cross multiply
    724,694.22x = 1,000,170.27 × 438,216.35
  4. Step 4: Simplify right side
    724,694.22x = 438,290,960,097.06
  5. Step 5: Solve for x
    x = 438,290,960,097.06/724,694.22
  6. Step 6: Final answer
    x = 604,794.34

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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.