Home / 750,086.30-1,035,007.79-455,582.88

Finding the Fourth Proportional to 750,086.30, 1,035,007.79 and 455,582.88

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Solution

The fourth proportional to 750,086.30, 1,035,007.79 and 455,582.88 is: 628,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,086.30 : 1,035,007.79 = 455,582.88 : x
  2. Step 2: Convert to fraction form
    750,086.30/1,035,007.79 = 455,582.88/x
  3. Step 3: Cross multiply
    750,086.30x = 1,035,007.79 × 455,582.88
  4. Step 4: Simplify right side
    750,086.30x = 471,531,824,615.60
  5. Step 5: Solve for x
    x = 471,531,824,615.60/750,086.30
  6. Step 6: Final answer
    x = 628,636.76

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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.