Home / 726,537.60-1,002,559.68-404,248.32

Finding the Fourth Proportional to 726,537.60, 1,002,559.68 and 404,248.32

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Solution

The fourth proportional to 726,537.60, 1,002,559.68 and 404,248.32 is: 557,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,537.60 : 1,002,559.68 = 404,248.32 : x
  2. Step 2: Convert to fraction form
    726,537.60/1,002,559.68 = 404,248.32/x
  3. Step 3: Cross multiply
    726,537.60x = 1,002,559.68 × 404,248.32
  4. Step 4: Simplify right side
    726,537.60x = 405,283,066,339.74
  5. Step 5: Solve for x
    x = 405,283,066,339.74/726,537.60
  6. Step 6: Final answer
    x = 557,828.07

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1.5x scale

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.