Home / 790,182.09-1,090,451.28-427,605.95

Finding the Fourth Proportional to 790,182.09, 1,090,451.28 and 427,605.95

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Solution

The fourth proportional to 790,182.09, 1,090,451.28 and 427,605.95 is: 590,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,182.09 : 1,090,451.28 = 427,605.95 : x
  2. Step 2: Convert to fraction form
    790,182.09/1,090,451.28 = 427,605.95/x
  3. Step 3: Cross multiply
    790,182.09x = 1,090,451.28 × 427,605.95
  4. Step 4: Simplify right side
    790,182.09x = 466,283,459,842.77
  5. Step 5: Solve for x
    x = 466,283,459,842.77/790,182.09
  6. Step 6: Final answer
    x = 590,096.21

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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.