Home / 743,524.20-1,026,065.34-403,985.16

Finding the Fourth Proportional to 743,524.20, 1,026,065.34 and 403,985.16

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Solution

The fourth proportional to 743,524.20, 1,026,065.34 and 403,985.16 is: 557,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,524.20 : 1,026,065.34 = 403,985.16 : x
  2. Step 2: Convert to fraction form
    743,524.20/1,026,065.34 = 403,985.16/x
  3. Step 3: Cross multiply
    743,524.20x = 1,026,065.34 × 403,985.16
  4. Step 4: Simplify right side
    743,524.20x = 414,515,170,550.35
  5. Step 5: Solve for x
    x = 414,515,170,550.35/743,524.20
  6. Step 6: Final answer
    x = 557,500.58

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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.