Home / 535,459.28-738,939.48-293,742.32

Finding the Fourth Proportional to 535,459.28, 738,939.48 and 293,742.32

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Solution

The fourth proportional to 535,459.28, 738,939.48 and 293,742.32 is: 405,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,459.28 : 738,939.48 = 293,742.32 : x
  2. Step 2: Convert to fraction form
    535,459.28/738,939.48 = 293,742.32/x
  3. Step 3: Cross multiply
    535,459.28x = 738,939.48 × 293,742.32
  4. Step 4: Simplify right side
    535,459.28x = 217,057,797,194.79
  5. Step 5: Solve for x
    x = 217,057,797,194.79/535,459.28
  6. Step 6: Final answer
    x = 405,367.51

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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.