Home / 797,123.84-1,100,023.68-439,427.84

Finding the Fourth Proportional to 797,123.84, 1,100,023.68 and 439,427.84

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Solution

The fourth proportional to 797,123.84, 1,100,023.68 and 439,427.84 is: 606,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,123.84 : 1,100,023.68 = 439,427.84 : x
  2. Step 2: Convert to fraction form
    797,123.84/1,100,023.68 = 439,427.84/x
  3. Step 3: Cross multiply
    797,123.84x = 1,100,023.68 × 439,427.84
  4. Step 4: Simplify right side
    797,123.84x = 483,381,029,651.25
  5. Step 5: Solve for x
    x = 483,381,029,651.25/797,123.84
  6. Step 6: Final answer
    x = 606,406.44

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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.