Home / 797,127.84-1,100,029.20-439,431.84

Finding the Fourth Proportional to 797,127.84, 1,100,029.20 and 439,431.84

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Solution

The fourth proportional to 797,127.84, 1,100,029.20 and 439,431.84 is: 606,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,127.84 : 1,100,029.20 = 439,431.84 : x
  2. Step 2: Convert to fraction form
    797,127.84/1,100,029.20 = 439,431.84/x
  3. Step 3: Cross multiply
    797,127.84x = 1,100,029.20 × 439,431.84
  4. Step 4: Simplify right side
    797,127.84x = 483,387,855,409.73
  5. Step 5: Solve for x
    x = 483,387,855,409.73/797,127.84
  6. Step 6: Final answer
    x = 606,411.96

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Double scale
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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.