Home / 757,811.04-1,045,772.56-418,272

Finding the Fourth Proportional to 757,811.04, 1,045,772.56 and 418,272

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Solution

The fourth proportional to 757,811.04, 1,045,772.56 and 418,272 is: 577,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,811.04 : 1,045,772.56 = 418,272 : x
  2. Step 2: Convert to fraction form
    757,811.04/1,045,772.56 = 418,272/x
  3. Step 3: Cross multiply
    757,811.04x = 1,045,772.56 × 418,272
  4. Step 4: Simplify right side
    757,811.04x = 437,417,380,216.32
  5. Step 5: Solve for x
    x = 437,417,380,216.32/757,811.04
  6. Step 6: Final answer
    x = 577,211.68

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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.