Home / 532,443.06-734,772.96-290,727.72

Finding the Fourth Proportional to 532,443.06, 734,772.96 and 290,727.72

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Solution

The fourth proportional to 532,443.06, 734,772.96 and 290,727.72 is: 401,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,443.06 : 734,772.96 = 290,727.72 : x
  2. Step 2: Convert to fraction form
    532,443.06/734,772.96 = 290,727.72/x
  3. Step 3: Cross multiply
    532,443.06x = 734,772.96 × 290,727.72
  4. Step 4: Simplify right side
    532,443.06x = 213,618,867,378.45
  5. Step 5: Solve for x
    x = 213,618,867,378.45/532,443.06
  6. Step 6: Final answer
    x = 401,205.09

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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.