Home / 816,349.51-1,126,575.77-448,842.15

Finding the Fourth Proportional to 816,349.51, 1,126,575.77 and 448,842.15

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Solution

The fourth proportional to 816,349.51, 1,126,575.77 and 448,842.15 is: 619,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,349.51 : 1,126,575.77 = 448,842.15 : x
  2. Step 2: Convert to fraction form
    816,349.51/1,126,575.77 = 448,842.15/x
  3. Step 3: Cross multiply
    816,349.51x = 1,126,575.77 × 448,842.15
  4. Step 4: Simplify right side
    816,349.51x = 505,654,690,744.71
  5. Step 5: Solve for x
    x = 505,654,690,744.71/816,349.51
  6. Step 6: Final answer
    x = 619,409.56

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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.