Home / 757,634.14-1,045,928.21-553,455.82

Finding the Fourth Proportional to 757,634.14, 1,045,928.21 and 553,455.82

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Solution

The fourth proportional to 757,634.14, 1,045,928.21 and 553,455.82 is: 764,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,634.14 : 1,045,928.21 = 553,455.82 : x
  2. Step 2: Convert to fraction form
    757,634.14/1,045,928.21 = 553,455.82/x
  3. Step 3: Cross multiply
    757,634.14x = 1,045,928.21 × 553,455.82
  4. Step 4: Simplify right side
    757,634.14x = 578,875,055,126.68
  5. Step 5: Solve for x
    x = 578,875,055,126.68/757,634.14
  6. Step 6: Final answer
    x = 764,056.19

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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.