Home / 540,147.09-745,339.44-298,415.25

Finding the Fourth Proportional to 540,147.09, 745,339.44 and 298,415.25

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Solution

The fourth proportional to 540,147.09, 745,339.44 and 298,415.25 is: 411,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,147.09 : 745,339.44 = 298,415.25 : x
  2. Step 2: Convert to fraction form
    540,147.09/745,339.44 = 298,415.25/x
  3. Step 3: Cross multiply
    540,147.09x = 745,339.44 × 298,415.25
  4. Step 4: Simplify right side
    540,147.09x = 222,420,655,322.46
  5. Step 5: Solve for x
    x = 222,420,655,322.46/540,147.09
  6. Step 6: Final answer
    x = 411,777.94

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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.