Home / 947,986.02-1,308,252.69-518,257.62

Finding the Fourth Proportional to 947,986.02, 1,308,252.69 and 518,257.62

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Solution

The fourth proportional to 947,986.02, 1,308,252.69 and 518,257.62 is: 715,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,986.02 : 1,308,252.69 = 518,257.62 : x
  2. Step 2: Convert to fraction form
    947,986.02/1,308,252.69 = 518,257.62/x
  3. Step 3: Cross multiply
    947,986.02x = 1,308,252.69 × 518,257.62
  4. Step 4: Simplify right side
    947,986.02x = 678,011,925,478.00
  5. Step 5: Solve for x
    x = 678,011,925,478.00/947,986.02
  6. Step 6: Final answer
    x = 715,213.00

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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.