Home / 751,304.70-1,036,798.51-407,150.15

Finding the Fourth Proportional to 751,304.70, 1,036,798.51 and 407,150.15

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Solution

The fourth proportional to 751,304.70, 1,036,798.51 and 407,150.15 is: 561,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,304.70 : 1,036,798.51 = 407,150.15 : x
  2. Step 2: Convert to fraction form
    751,304.70/1,036,798.51 = 407,150.15/x
  3. Step 3: Cross multiply
    751,304.70x = 1,036,798.51 × 407,150.15
  4. Step 4: Simplify right side
    751,304.70x = 422,132,668,866.28
  5. Step 5: Solve for x
    x = 422,132,668,866.28/751,304.70
  6. Step 6: Final answer
    x = 561,866.14

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1.5x scale

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.