Home / 790,679.67-1,185,455.75-369,725.91

Finding the Fourth Proportional to 790,679.67, 1,185,455.75 and 369,725.91

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Solution

The fourth proportional to 790,679.67, 1,185,455.75 and 369,725.91 is: 554,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,679.67 : 1,185,455.75 = 369,725.91 : x
  2. Step 2: Convert to fraction form
    790,679.67/1,185,455.75 = 369,725.91/x
  3. Step 3: Cross multiply
    790,679.67x = 1,185,455.75 × 369,725.91
  4. Step 4: Simplify right side
    790,679.67x = 438,293,704,084.85
  5. Step 5: Solve for x
    x = 438,293,704,084.85/790,679.67
  6. Step 6: Final answer
    x = 554,325.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.