Home / 830,906.72-1,247,467.08-561,938.48

Finding the Fourth Proportional to 830,906.72, 1,247,467.08 and 561,938.48

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Solution

The fourth proportional to 830,906.72, 1,247,467.08 and 561,938.48 is: 843,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,906.72 : 1,247,467.08 = 561,938.48 : x
  2. Step 2: Convert to fraction form
    830,906.72/1,247,467.08 = 561,938.48/x
  3. Step 3: Cross multiply
    830,906.72x = 1,247,467.08 × 561,938.48
  4. Step 4: Simplify right side
    830,906.72x = 700,999,754,785.24
  5. Step 5: Solve for x
    x = 700,999,754,785.24/830,906.72
  6. Step 6: Final answer
    x = 843,656.38

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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.