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Finding the Fourth Proportional to 417,745.76, 576,502.04 and 245,632.64

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Solution

The fourth proportional to 417,745.76, 576,502.04 and 245,632.64 is: 338,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,745.76 : 576,502.04 = 245,632.64 : x
  2. Step 2: Convert to fraction form
    417,745.76/576,502.04 = 245,632.64/x
  3. Step 3: Cross multiply
    417,745.76x = 576,502.04 × 245,632.64
  4. Step 4: Simplify right side
    417,745.76x = 141,607,715,782.16
  5. Step 5: Solve for x
    x = 141,607,715,782.16/417,745.76
  6. Step 6: Final answer
    x = 338,980.62

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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.