Home / 750,983.46-1,036,201.86-428,798.40

Finding the Fourth Proportional to 750,983.46, 1,036,201.86 and 428,798.40

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Solution

The fourth proportional to 750,983.46, 1,036,201.86 and 428,798.40 is: 591,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,983.46 : 1,036,201.86 = 428,798.40 : x
  2. Step 2: Convert to fraction form
    750,983.46/1,036,201.86 = 428,798.40/x
  3. Step 3: Cross multiply
    750,983.46x = 1,036,201.86 × 428,798.40
  4. Step 4: Simplify right side
    750,983.46x = 444,321,699,645.02
  5. Step 5: Solve for x
    x = 444,321,699,645.02/750,983.46
  6. Step 6: Final answer
    x = 591,653.11

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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.