Home / 695,809.07-1,042,821.69-605,476.40

Finding the Fourth Proportional to 695,809.07, 1,042,821.69 and 605,476.40

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Solution

The fourth proportional to 695,809.07, 1,042,821.69 and 605,476.40 is: 907,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,809.07 : 1,042,821.69 = 605,476.40 : x
  2. Step 2: Convert to fraction form
    695,809.07/1,042,821.69 = 605,476.40/x
  3. Step 3: Cross multiply
    695,809.07x = 1,042,821.69 × 605,476.40
  4. Step 4: Simplify right side
    695,809.07x = 631,403,924,490.15
  5. Step 5: Solve for x
    x = 631,403,924,490.15/695,809.07
  6. Step 6: Final answer
    x = 907,438.48

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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.