Home / 970,987.75-1,340,036.07-563,086.05

Finding the Fourth Proportional to 970,987.75, 1,340,036.07 and 563,086.05

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Solution

The fourth proportional to 970,987.75, 1,340,036.07 and 563,086.05 is: 777,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,987.75 : 1,340,036.07 = 563,086.05 : x
  2. Step 2: Convert to fraction form
    970,987.75/1,340,036.07 = 563,086.05/x
  3. Step 3: Cross multiply
    970,987.75x = 1,340,036.07 × 563,086.05
  4. Step 4: Simplify right side
    970,987.75x = 754,555,617,513.82
  5. Step 5: Solve for x
    x = 754,555,617,513.82/970,987.75
  6. Step 6: Final answer
    x = 777,101.07

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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.