Home / 459,743.40-634,433.76-255,783.96

Finding the Fourth Proportional to 459,743.40, 634,433.76 and 255,783.96

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Solution

The fourth proportional to 459,743.40, 634,433.76 and 255,783.96 is: 352,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,743.40 : 634,433.76 = 255,783.96 : x
  2. Step 2: Convert to fraction form
    459,743.40/634,433.76 = 255,783.96/x
  3. Step 3: Cross multiply
    459,743.40x = 634,433.76 × 255,783.96
  4. Step 4: Simplify right side
    459,743.40x = 162,277,979,490.49
  5. Step 5: Solve for x
    x = 162,277,979,490.49/459,743.40
  6. Step 6: Final answer
    x = 352,975.12

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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.