Home / 947,366.82-1,422,061.38-407,890.08

Finding the Fourth Proportional to 947,366.82, 1,422,061.38 and 407,890.08

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Solution

The fourth proportional to 947,366.82, 1,422,061.38 and 407,890.08 is: 612,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,366.82 : 1,422,061.38 = 407,890.08 : x
  2. Step 2: Convert to fraction form
    947,366.82/1,422,061.38 = 407,890.08/x
  3. Step 3: Cross multiply
    947,366.82x = 1,422,061.38 × 407,890.08
  4. Step 4: Simplify right side
    947,366.82x = 580,044,730,053.11
  5. Step 5: Solve for x
    x = 580,044,730,053.11/947,366.82
  6. Step 6: Final answer
    x = 612,270.47

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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.