Home / 703,808.91-1,054,008.53-487,060.28

Finding the Fourth Proportional to 703,808.91, 1,054,008.53 and 487,060.28

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Solution

The fourth proportional to 703,808.91, 1,054,008.53 and 487,060.28 is: 729,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,808.91 : 1,054,008.53 = 487,060.28 : x
  2. Step 2: Convert to fraction form
    703,808.91/1,054,008.53 = 487,060.28/x
  3. Step 3: Cross multiply
    703,808.91x = 1,054,008.53 × 487,060.28
  4. Step 4: Simplify right side
    703,808.91x = 513,365,689,744.19
  5. Step 5: Solve for x
    x = 513,365,689,744.19/703,808.91
  6. Step 6: Final answer
    x = 729,410.61

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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.