Home / 873,783.90-1,308,051.45-518,615.10

Finding the Fourth Proportional to 873,783.90, 1,308,051.45 and 518,615.10

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Solution

The fourth proportional to 873,783.90, 1,308,051.45 and 518,615.10 is: 776,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,783.90 : 1,308,051.45 = 518,615.10 : x
  2. Step 2: Convert to fraction form
    873,783.90/1,308,051.45 = 518,615.10/x
  3. Step 3: Cross multiply
    873,783.90x = 1,308,051.45 × 518,615.10
  4. Step 4: Simplify right side
    873,783.90x = 678,375,233,546.90
  5. Step 5: Solve for x
    x = 678,375,233,546.90/873,783.90
  6. Step 6: Final answer
    x = 776,365.00

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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.