Home / 427,721.60-590,403.28-246,505.88

Finding the Fourth Proportional to 427,721.60, 590,403.28 and 246,505.88

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Solution

The fourth proportional to 427,721.60, 590,403.28 and 246,505.88 is: 340,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,721.60 : 590,403.28 = 246,505.88 : x
  2. Step 2: Convert to fraction form
    427,721.60/590,403.28 = 246,505.88/x
  3. Step 3: Cross multiply
    427,721.60x = 590,403.28 × 246,505.88
  4. Step 4: Simplify right side
    427,721.60x = 145,537,880,091.29
  5. Step 5: Solve for x
    x = 145,537,880,091.29/427,721.60
  6. Step 6: Final answer
    x = 340,263.11

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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.