Home / 704,087.20-1,056,130.80-325,007.20

Finding the Fourth Proportional to 704,087.20, 1,056,130.80 and 325,007.20

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Solution

The fourth proportional to 704,087.20, 1,056,130.80 and 325,007.20 is: 487,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,087.20 : 1,056,130.80 = 325,007.20 : x
  2. Step 2: Convert to fraction form
    704,087.20/1,056,130.80 = 325,007.20/x
  3. Step 3: Cross multiply
    704,087.20x = 1,056,130.80 × 325,007.20
  4. Step 4: Simplify right side
    704,087.20x = 343,250,114,141.76
  5. Step 5: Solve for x
    x = 343,250,114,141.76/704,087.20
  6. Step 6: Final answer
    x = 487,510.80

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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.