Home / 540,150.09-745,343.55-298,418.27

Finding the Fourth Proportional to 540,150.09, 745,343.55 and 298,418.27

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Solution

The fourth proportional to 540,150.09, 745,343.55 and 298,418.27 is: 411,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,150.09 : 745,343.55 = 298,418.27 : x
  2. Step 2: Convert to fraction form
    540,150.09/745,343.55 = 298,418.27/x
  3. Step 3: Cross multiply
    540,150.09x = 745,343.55 × 298,418.27
  4. Step 4: Simplify right side
    540,150.09x = 222,424,129,019.94
  5. Step 5: Solve for x
    x = 222,424,129,019.94/540,150.09
  6. Step 6: Final answer
    x = 411,782.08

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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.