Home / 743,919.90-1,026,604.58-404,388.16

Finding the Fourth Proportional to 743,919.90, 1,026,604.58 and 404,388.16

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Solution

The fourth proportional to 743,919.90, 1,026,604.58 and 404,388.16 is: 558,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,919.90 : 1,026,604.58 = 404,388.16 : x
  2. Step 2: Convert to fraction form
    743,919.90/1,026,604.58 = 404,388.16/x
  3. Step 3: Cross multiply
    743,919.90x = 1,026,604.58 × 404,388.16
  4. Step 4: Simplify right side
    743,919.90x = 415,146,737,153.77
  5. Step 5: Solve for x
    x = 415,146,737,153.77/743,919.90
  6. Step 6: Final answer
    x = 558,053.01

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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.