Home / 864,630.17-1,297,736.27-438,460.14

Finding the Fourth Proportional to 864,630.17, 1,297,736.27 and 438,460.14

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Solution

The fourth proportional to 864,630.17, 1,297,736.27 and 438,460.14 is: 658,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,630.17 : 1,297,736.27 = 438,460.14 : x
  2. Step 2: Convert to fraction form
    864,630.17/1,297,736.27 = 438,460.14/x
  3. Step 3: Cross multiply
    864,630.17x = 1,297,736.27 × 438,460.14
  4. Step 4: Simplify right side
    864,630.17x = 569,005,624,434.98
  5. Step 5: Solve for x
    x = 569,005,624,434.98/864,630.17
  6. Step 6: Final answer
    x = 658,091.34

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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.