Home / 733,821.73-1,012,682.35-407,140.77

Finding the Fourth Proportional to 733,821.73, 1,012,682.35 and 407,140.77

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Solution

The fourth proportional to 733,821.73, 1,012,682.35 and 407,140.77 is: 561,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,821.73 : 1,012,682.35 = 407,140.77 : x
  2. Step 2: Convert to fraction form
    733,821.73/1,012,682.35 = 407,140.77/x
  3. Step 3: Cross multiply
    733,821.73x = 1,012,682.35 × 407,140.77
  4. Step 4: Simplify right side
    733,821.73x = 412,304,271,744.41
  5. Step 5: Solve for x
    x = 412,304,271,744.41/733,821.73
  6. Step 6: Final answer
    x = 561,858.90

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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.