Home / 750,921.24-1,036,265.10-406,749.18

Finding the Fourth Proportional to 750,921.24, 1,036,265.10 and 406,749.18

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Solution

The fourth proportional to 750,921.24, 1,036,265.10 and 406,749.18 is: 561,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,921.24 : 1,036,265.10 = 406,749.18 : x
  2. Step 2: Convert to fraction form
    750,921.24/1,036,265.10 = 406,749.18/x
  3. Step 3: Cross multiply
    750,921.24x = 1,036,265.10 × 406,749.18
  4. Step 4: Simplify right side
    750,921.24x = 421,499,979,687.62
  5. Step 5: Solve for x
    x = 421,499,979,687.62/750,921.24
  6. Step 6: Final answer
    x = 561,310.50

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Double scale
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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.