Home / 756,502.66-1,043,636.97-434,135.62

Finding the Fourth Proportional to 756,502.66, 1,043,636.97 and 434,135.62

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Solution

The fourth proportional to 756,502.66, 1,043,636.97 and 434,135.62 is: 598,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,502.66 : 1,043,636.97 = 434,135.62 : x
  2. Step 2: Convert to fraction form
    756,502.66/1,043,636.97 = 434,135.62/x
  3. Step 3: Cross multiply
    756,502.66x = 1,043,636.97 × 434,135.62
  4. Step 4: Simplify right side
    756,502.66x = 453,079,983,025.87
  5. Step 5: Solve for x
    x = 453,079,983,025.87/756,502.66
  6. Step 6: Final answer
    x = 598,913.93

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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.