Home / 947,902.23-1,308,125.70-518,182.11

Finding the Fourth Proportional to 947,902.23, 1,308,125.70 and 518,182.11

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Solution

The fourth proportional to 947,902.23, 1,308,125.70 and 518,182.11 is: 715,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,902.23 : 1,308,125.70 = 518,182.11 : x
  2. Step 2: Convert to fraction form
    947,902.23/1,308,125.70 = 518,182.11/x
  3. Step 3: Cross multiply
    947,902.23x = 1,308,125.70 × 518,182.11
  4. Step 4: Simplify right side
    947,902.23x = 677,847,335,371.23
  5. Step 5: Solve for x
    x = 677,847,335,371.23/947,902.23
  6. Step 6: Final answer
    x = 715,102.59

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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.