Home / 401,733.76-602,798.40-284,160.64

Finding the Fourth Proportional to 401,733.76, 602,798.40 and 284,160.64

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Solution

The fourth proportional to 401,733.76, 602,798.40 and 284,160.64 is: 426,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,733.76 : 602,798.40 = 284,160.64 : x
  2. Step 2: Convert to fraction form
    401,733.76/602,798.40 = 284,160.64/x
  3. Step 3: Cross multiply
    401,733.76x = 602,798.40 × 284,160.64
  4. Step 4: Simplify right side
    401,733.76x = 171,291,579,134.98
  5. Step 5: Solve for x
    x = 171,291,579,134.98/401,733.76
  6. Step 6: Final answer
    x = 426,380.84

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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.