Home / 985,837.48-1,359,829.26-646,327.48

Finding the Fourth Proportional to 985,837.48, 1,359,829.26 and 646,327.48

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Solution

The fourth proportional to 985,837.48, 1,359,829.26 and 646,327.48 is: 891,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,837.48 : 1,359,829.26 = 646,327.48 : x
  2. Step 2: Convert to fraction form
    985,837.48/1,359,829.26 = 646,327.48/x
  3. Step 3: Cross multiply
    985,837.48x = 1,359,829.26 × 646,327.48
  4. Step 4: Simplify right side
    985,837.48x = 878,895,018,846.07
  5. Step 5: Solve for x
    x = 878,895,018,846.07/985,837.48
  6. Step 6: Final answer
    x = 891,521.21

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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.