Home / 993,007.20-1,489,510.80-328,159.20

Finding the Fourth Proportional to 993,007.20, 1,489,510.80 and 328,159.20

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Solution

The fourth proportional to 993,007.20, 1,489,510.80 and 328,159.20 is: 492,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,007.20 : 1,489,510.80 = 328,159.20 : x
  2. Step 2: Convert to fraction form
    993,007.20/1,489,510.80 = 328,159.20/x
  3. Step 3: Cross multiply
    993,007.20x = 1,489,510.80 × 328,159.20
  4. Step 4: Simplify right side
    993,007.20x = 488,796,672,519.36
  5. Step 5: Solve for x
    x = 488,796,672,519.36/993,007.20
  6. Step 6: Final answer
    x = 492,238.80

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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.