Home / 434,544.20-651,816.30-368,278.10

Finding the Fourth Proportional to 434,544.20, 651,816.30 and 368,278.10

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Solution

The fourth proportional to 434,544.20, 651,816.30 and 368,278.10 is: 552,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,544.20 : 651,816.30 = 368,278.10 : x
  2. Step 2: Convert to fraction form
    434,544.20/651,816.30 = 368,278.10/x
  3. Step 3: Cross multiply
    434,544.20x = 651,816.30 × 368,278.10
  4. Step 4: Simplify right side
    434,544.20x = 240,049,668,513.03
  5. Step 5: Solve for x
    x = 240,049,668,513.03/434,544.20
  6. Step 6: Final answer
    x = 552,417.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.