Home / 757,984.72-1,046,012.16-418,445.68

Finding the Fourth Proportional to 757,984.72, 1,046,012.16 and 418,445.68

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Solution

The fourth proportional to 757,984.72, 1,046,012.16 and 418,445.68 is: 577,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,984.72 : 1,046,012.16 = 418,445.68 : x
  2. Step 2: Convert to fraction form
    757,984.72/1,046,012.16 = 418,445.68/x
  3. Step 3: Cross multiply
    757,984.72x = 1,046,012.16 × 418,445.68
  4. Step 4: Simplify right side
    757,984.72x = 437,699,269,579.47
  5. Step 5: Solve for x
    x = 437,699,269,579.47/757,984.72
  6. Step 6: Final answer
    x = 577,451.31

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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.