Home / 940,578.40-1,411,241.45-300,980.68

Finding the Fourth Proportional to 940,578.40, 1,411,241.45 and 300,980.68

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Solution

The fourth proportional to 940,578.40, 1,411,241.45 and 300,980.68 is: 451,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,578.40 : 1,411,241.45 = 300,980.68 : x
  2. Step 2: Convert to fraction form
    940,578.40/1,411,241.45 = 300,980.68/x
  3. Step 3: Cross multiply
    940,578.40x = 1,411,241.45 × 300,980.68
  4. Step 4: Simplify right side
    940,578.40x = 424,756,411,265.19
  5. Step 5: Solve for x
    x = 424,756,411,265.19/940,578.40
  6. Step 6: Final answer
    x = 451,590.65

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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.