Home / 442,313.48-662,428.66-292,181.40

Finding the Fourth Proportional to 442,313.48, 662,428.66 and 292,181.40

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Solution

The fourth proportional to 442,313.48, 662,428.66 and 292,181.40 is: 437,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,313.48 : 662,428.66 = 292,181.40 : x
  2. Step 2: Convert to fraction form
    442,313.48/662,428.66 = 292,181.40/x
  3. Step 3: Cross multiply
    442,313.48x = 662,428.66 × 292,181.40
  4. Step 4: Simplify right side
    442,313.48x = 193,549,328,505.87
  5. Step 5: Solve for x
    x = 193,549,328,505.87/442,313.48
  6. Step 6: Final answer
    x = 437,584.07

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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.