Home / 459,743.05-634,370.64-255,788.73

Finding the Fourth Proportional to 459,743.05, 634,370.64 and 255,788.73

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Solution

The fourth proportional to 459,743.05, 634,370.64 and 255,788.73 is: 352,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,743.05 : 634,370.64 = 255,788.73 : x
  2. Step 2: Convert to fraction form
    459,743.05/634,370.64 = 255,788.73/x
  3. Step 3: Cross multiply
    459,743.05x = 634,370.64 × 255,788.73
  4. Step 4: Simplify right side
    459,743.05x = 162,264,859,769.73
  5. Step 5: Solve for x
    x = 162,264,859,769.73/459,743.05
  6. Step 6: Final answer
    x = 352,946.85

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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.