Home / 956,617-1,320,131.46-554,442.28

Finding the Fourth Proportional to 956,617, 1,320,131.46 and 554,442.28

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Solution

The fourth proportional to 956,617, 1,320,131.46 and 554,442.28 is: 765,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,617 : 1,320,131.46 = 554,442.28 : x
  2. Step 2: Convert to fraction form
    956,617/1,320,131.46 = 554,442.28/x
  3. Step 3: Cross multiply
    956,617x = 1,320,131.46 × 554,442.28
  4. Step 4: Simplify right side
    956,617x = 731,936,696,582.13
  5. Step 5: Solve for x
    x = 731,936,696,582.13/956,617
  6. Step 6: Final answer
    x = 765,130.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.