Home / 403,086.41-604,733.48-289,366.05

Finding the Fourth Proportional to 403,086.41, 604,733.48 and 289,366.05

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Solution

The fourth proportional to 403,086.41, 604,733.48 and 289,366.05 is: 434,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,086.41 : 604,733.48 = 289,366.05 : x
  2. Step 2: Convert to fraction form
    403,086.41/604,733.48 = 289,366.05/x
  3. Step 3: Cross multiply
    403,086.41x = 604,733.48 × 289,366.05
  4. Step 4: Simplify right side
    403,086.41x = 174,989,339,133.77
  5. Step 5: Solve for x
    x = 174,989,339,133.77/403,086.41
  6. Step 6: Final answer
    x = 434,123.64

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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.