Home / 947,107.45-1,420,673.48-316,021.26

Finding the Fourth Proportional to 947,107.45, 1,420,673.48 and 316,021.26

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Solution

The fourth proportional to 947,107.45, 1,420,673.48 and 316,021.26 is: 474,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,107.45 : 1,420,673.48 = 316,021.26 : x
  2. Step 2: Convert to fraction form
    947,107.45/1,420,673.48 = 316,021.26/x
  3. Step 3: Cross multiply
    947,107.45x = 1,420,673.48 × 316,021.26
  4. Step 4: Simplify right side
    947,107.45x = 448,963,023,198.19
  5. Step 5: Solve for x
    x = 448,963,023,198.19/947,107.45
  6. Step 6: Final answer
    x = 474,036.00

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Double scale
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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.