Home / 751,062.65-1,036,459.68-406,890.68

Finding the Fourth Proportional to 751,062.65, 1,036,459.68 and 406,890.68

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Solution

The fourth proportional to 751,062.65, 1,036,459.68 and 406,890.68 is: 561,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,062.65 : 1,036,459.68 = 406,890.68 : x
  2. Step 2: Convert to fraction form
    751,062.65/1,036,459.68 = 406,890.68/x
  3. Step 3: Cross multiply
    751,062.65x = 1,036,459.68 × 406,890.68
  4. Step 4: Simplify right side
    751,062.65x = 421,725,783,987.78
  5. Step 5: Solve for x
    x = 421,725,783,987.78/751,062.65
  6. Step 6: Final answer
    x = 561,505.47

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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.