Home / 750,739.82-1,036,034.40-411,186.20

Finding the Fourth Proportional to 750,739.82, 1,036,034.40 and 411,186.20

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Solution

The fourth proportional to 750,739.82, 1,036,034.40 and 411,186.20 is: 567,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,739.82 : 1,036,034.40 = 411,186.20 : x
  2. Step 2: Convert to fraction form
    750,739.82/1,036,034.40 = 411,186.20/x
  3. Step 3: Cross multiply
    750,739.82x = 1,036,034.40 × 411,186.20
  4. Step 4: Simplify right side
    750,739.82x = 426,003,048,005.28
  5. Step 5: Solve for x
    x = 426,003,048,005.28/750,739.82
  6. Step 6: Final answer
    x = 567,444.32

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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.