Home / 735,009.39-1,102,582.28-285,764.39

Finding the Fourth Proportional to 735,009.39, 1,102,582.28 and 285,764.39

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Solution

The fourth proportional to 735,009.39, 1,102,582.28 and 285,764.39 is: 428,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,009.39 : 1,102,582.28 = 285,764.39 : x
  2. Step 2: Convert to fraction form
    735,009.39/1,102,582.28 = 285,764.39/x
  3. Step 3: Cross multiply
    735,009.39x = 1,102,582.28 × 285,764.39
  4. Step 4: Simplify right side
    735,009.39x = 315,078,755,049.29
  5. Step 5: Solve for x
    x = 315,078,755,049.29/735,009.39
  6. Step 6: Final answer
    x = 428,673.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.