Home / 785,054.64-1,083,372.28-440,842.68

Finding the Fourth Proportional to 785,054.64, 1,083,372.28 and 440,842.68

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Solution

The fourth proportional to 785,054.64, 1,083,372.28 and 440,842.68 is: 608,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,054.64 : 1,083,372.28 = 440,842.68 : x
  2. Step 2: Convert to fraction form
    785,054.64/1,083,372.28 = 440,842.68/x
  3. Step 3: Cross multiply
    785,054.64x = 1,083,372.28 × 440,842.68
  4. Step 4: Simplify right side
    785,054.64x = 477,596,739,352.91
  5. Step 5: Solve for x
    x = 477,596,739,352.91/785,054.64
  6. Step 6: Final answer
    x = 608,361.14

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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.