Home / 751,218.13-1,036,355.20-496,924.21

Finding the Fourth Proportional to 751,218.13, 1,036,355.20 and 496,924.21

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Solution

The fourth proportional to 751,218.13, 1,036,355.20 and 496,924.21 is: 685,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,218.13 : 1,036,355.20 = 496,924.21 : x
  2. Step 2: Convert to fraction form
    751,218.13/1,036,355.20 = 496,924.21/x
  3. Step 3: Cross multiply
    751,218.13x = 1,036,355.20 × 496,924.21
  4. Step 4: Simplify right side
    751,218.13x = 514,989,989,039.39
  5. Step 5: Solve for x
    x = 514,989,989,039.39/751,218.13
  6. Step 6: Final answer
    x = 685,539.88

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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.