Home / 750,242.51-1,035,334.55-406,078.35

Finding the Fourth Proportional to 750,242.51, 1,035,334.55 and 406,078.35

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Solution

The fourth proportional to 750,242.51, 1,035,334.55 and 406,078.35 is: 560,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,242.51 : 1,035,334.55 = 406,078.35 : x
  2. Step 2: Convert to fraction form
    750,242.51/1,035,334.55 = 406,078.35/x
  3. Step 3: Cross multiply
    750,242.51x = 1,035,334.55 × 406,078.35
  4. Step 4: Simplify right side
    750,242.51x = 420,426,940,610.49
  5. Step 5: Solve for x
    x = 420,426,940,610.49/750,242.51
  6. Step 6: Final answer
    x = 560,388.05

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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.