Home / 454,642.20-681,525.90-353,384.10

Finding the Fourth Proportional to 454,642.20, 681,525.90 and 353,384.10

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Solution

The fourth proportional to 454,642.20, 681,525.90 and 353,384.10 is: 529,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,642.20 : 681,525.90 = 353,384.10 : x
  2. Step 2: Convert to fraction form
    454,642.20/681,525.90 = 353,384.10/x
  3. Step 3: Cross multiply
    454,642.20x = 681,525.90 × 353,384.10
  4. Step 4: Simplify right side
    454,642.20x = 240,840,416,798.19
  5. Step 5: Solve for x
    x = 240,840,416,798.19/454,642.20
  6. Step 6: Final answer
    x = 529,736.17

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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.