Home / 743,994.20-1,026,720.62-412,856.93

Finding the Fourth Proportional to 743,994.20, 1,026,720.62 and 412,856.93

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Solution

The fourth proportional to 743,994.20, 1,026,720.62 and 412,856.93 is: 569,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,994.20 : 1,026,720.62 = 412,856.93 : x
  2. Step 2: Convert to fraction form
    743,994.20/1,026,720.62 = 412,856.93/x
  3. Step 3: Cross multiply
    743,994.20x = 1,026,720.62 × 412,856.93
  4. Step 4: Simplify right side
    743,994.20x = 423,888,715,943.01
  5. Step 5: Solve for x
    x = 423,888,715,943.01/743,994.20
  6. Step 6: Final answer
    x = 569,747.34

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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.