Home / 743,835-1,026,488.46-404,305.08

Finding the Fourth Proportional to 743,835, 1,026,488.46 and 404,305.08

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Solution

The fourth proportional to 743,835, 1,026,488.46 and 404,305.08 is: 557,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,835 : 1,026,488.46 = 404,305.08 : x
  2. Step 2: Convert to fraction form
    743,835/1,026,488.46 = 404,305.08/x
  3. Step 3: Cross multiply
    743,835x = 1,026,488.46 × 404,305.08
  4. Step 4: Simplify right side
    743,835x = 415,014,498,939.38
  5. Step 5: Solve for x
    x = 415,014,498,939.38/743,835
  6. Step 6: Final answer
    x = 557,938.92

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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.