Home / 733,403.21-1,012,199.81-406,788.87

Finding the Fourth Proportional to 733,403.21, 1,012,199.81 and 406,788.87

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Solution

The fourth proportional to 733,403.21, 1,012,199.81 and 406,788.87 is: 561,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,403.21 : 1,012,199.81 = 406,788.87 : x
  2. Step 2: Convert to fraction form
    733,403.21/1,012,199.81 = 406,788.87/x
  3. Step 3: Cross multiply
    733,403.21x = 1,012,199.81 × 406,788.87
  4. Step 4: Simplify right side
    733,403.21x = 411,751,616,924.12
  5. Step 5: Solve for x
    x = 411,751,616,924.12/733,403.21
  6. Step 6: Final answer
    x = 561,425.98

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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.