Home / 750,870.35-1,036,226.94-411,338.60

Finding the Fourth Proportional to 750,870.35, 1,036,226.94 and 411,338.60

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Solution

The fourth proportional to 750,870.35, 1,036,226.94 and 411,338.60 is: 567,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,870.35 : 1,036,226.94 = 411,338.60 : x
  2. Step 2: Convert to fraction form
    750,870.35/1,036,226.94 = 411,338.60/x
  3. Step 3: Cross multiply
    750,870.35x = 1,036,226.94 × 411,338.60
  4. Step 4: Simplify right side
    750,870.35x = 426,240,138,781.88
  5. Step 5: Solve for x
    x = 426,240,138,781.88/750,870.35
  6. Step 6: Final answer
    x = 567,661.43

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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.