Home / 757,762.60-1,045,637.94-418,208.92

Finding the Fourth Proportional to 757,762.60, 1,045,637.94 and 418,208.92

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Solution

The fourth proportional to 757,762.60, 1,045,637.94 and 418,208.92 is: 577,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,762.60 : 1,045,637.94 = 418,208.92 : x
  2. Step 2: Convert to fraction form
    757,762.60/1,045,637.94 = 418,208.92/x
  3. Step 3: Cross multiply
    757,762.60x = 1,045,637.94 × 418,208.92
  4. Step 4: Simplify right side
    757,762.60x = 437,295,113,598.43
  5. Step 5: Solve for x
    x = 437,295,113,598.43/757,762.60
  6. Step 6: Final answer
    x = 577,087.22

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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.