Home / 702,643.54-1,053,807.70-323,199.87

Finding the Fourth Proportional to 702,643.54, 1,053,807.70 and 323,199.87

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Solution

The fourth proportional to 702,643.54, 1,053,807.70 and 323,199.87 is: 484,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,643.54 : 1,053,807.70 = 323,199.87 : x
  2. Step 2: Convert to fraction form
    702,643.54/1,053,807.70 = 323,199.87/x
  3. Step 3: Cross multiply
    702,643.54x = 1,053,807.70 × 323,199.87
  4. Step 4: Simplify right side
    702,643.54x = 340,590,512,509.89
  5. Step 5: Solve for x
    x = 340,590,512,509.89/702,643.54
  6. Step 6: Final answer
    x = 484,727.31

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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.