Home / 750,865.38-1,036,220.04-411,333.54

Finding the Fourth Proportional to 750,865.38, 1,036,220.04 and 411,333.54

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Solution

The fourth proportional to 750,865.38, 1,036,220.04 and 411,333.54 is: 567,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,865.38 : 1,036,220.04 = 411,333.54 : x
  2. Step 2: Convert to fraction form
    750,865.38/1,036,220.04 = 411,333.54/x
  3. Step 3: Cross multiply
    750,865.38x = 1,036,220.04 × 411,333.54
  4. Step 4: Simplify right side
    750,865.38x = 426,232,057,272.14
  5. Step 5: Solve for x
    x = 426,232,057,272.14/750,865.38
  6. Step 6: Final answer
    x = 567,654.43

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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.