Home / 550,723.68-759,952.08-308,973.60

Finding the Fourth Proportional to 550,723.68, 759,952.08 and 308,973.60

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Solution

The fourth proportional to 550,723.68, 759,952.08 and 308,973.60 is: 426,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,723.68 : 759,952.08 = 308,973.60 : x
  2. Step 2: Convert to fraction form
    550,723.68/759,952.08 = 308,973.60/x
  3. Step 3: Cross multiply
    550,723.68x = 759,952.08 × 308,973.60
  4. Step 4: Simplify right side
    550,723.68x = 234,805,129,985.09
  5. Step 5: Solve for x
    x = 234,805,129,985.09/550,723.68
  6. Step 6: Final answer
    x = 426,357.42

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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.