Home / 980,530.92-1,471,091.76-349,362.72

Finding the Fourth Proportional to 980,530.92, 1,471,091.76 and 349,362.72

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Solution

The fourth proportional to 980,530.92, 1,471,091.76 and 349,362.72 is: 524,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,530.92 : 1,471,091.76 = 349,362.72 : x
  2. Step 2: Convert to fraction form
    980,530.92/1,471,091.76 = 349,362.72/x
  3. Step 3: Cross multiply
    980,530.92x = 1,471,091.76 × 349,362.72
  4. Step 4: Simplify right side
    980,530.92x = 513,944,618,643.19
  5. Step 5: Solve for x
    x = 513,944,618,643.19/980,530.92
  6. Step 6: Final answer
    x = 524,149.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.