Home / 751,048.62-1,036,488.60-428,862.21

Finding the Fourth Proportional to 751,048.62, 1,036,488.60 and 428,862.21

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Solution

The fourth proportional to 751,048.62, 1,036,488.60 and 428,862.21 is: 591,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,048.62 : 1,036,488.60 = 428,862.21 : x
  2. Step 2: Convert to fraction form
    751,048.62/1,036,488.60 = 428,862.21/x
  3. Step 3: Cross multiply
    751,048.62x = 1,036,488.60 × 428,862.21
  4. Step 4: Simplify right side
    751,048.62x = 444,510,791,635.81
  5. Step 5: Solve for x
    x = 444,510,791,635.81/751,048.62
  6. Step 6: Final answer
    x = 591,853.55

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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.