Home / 790,530.80-1,090,932.28-427,954.40

Finding the Fourth Proportional to 790,530.80, 1,090,932.28 and 427,954.40

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Solution

The fourth proportional to 790,530.80, 1,090,932.28 and 427,954.40 is: 590,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,530.80 : 1,090,932.28 = 427,954.40 : x
  2. Step 2: Convert to fraction form
    790,530.80/1,090,932.28 = 427,954.40/x
  3. Step 3: Cross multiply
    790,530.80x = 1,090,932.28 × 427,954.40
  4. Step 4: Simplify right side
    790,530.80x = 466,869,269,328.03
  5. Step 5: Solve for x
    x = 466,869,269,328.03/790,530.80
  6. Step 6: Final answer
    x = 590,576.95

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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.