Home / 876,497.13-1,209,541.50-494,559.45

Finding the Fourth Proportional to 876,497.13, 1,209,541.50 and 494,559.45

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Solution

The fourth proportional to 876,497.13, 1,209,541.50 and 494,559.45 is: 682,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,497.13 : 1,209,541.50 = 494,559.45 : x
  2. Step 2: Convert to fraction form
    876,497.13/1,209,541.50 = 494,559.45/x
  3. Step 3: Cross multiply
    876,497.13x = 1,209,541.50 × 494,559.45
  4. Step 4: Simplify right side
    876,497.13x = 598,190,178,992.18
  5. Step 5: Solve for x
    x = 598,190,178,992.18/876,497.13
  6. Step 6: Final answer
    x = 682,478.19

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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.