Home / 419,585.28-579,024.48-228,598.08

Finding the Fourth Proportional to 419,585.28, 579,024.48 and 228,598.08

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Solution

The fourth proportional to 419,585.28, 579,024.48 and 228,598.08 is: 315,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,585.28 : 579,024.48 = 228,598.08 : x
  2. Step 2: Convert to fraction form
    419,585.28/579,024.48 = 228,598.08/x
  3. Step 3: Cross multiply
    419,585.28x = 579,024.48 × 228,598.08
  4. Step 4: Simplify right side
    419,585.28x = 132,363,884,401.00
  5. Step 5: Solve for x
    x = 132,363,884,401.00/419,585.28
  6. Step 6: Final answer
    x = 315,463.60

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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.