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Finding the Fourth Proportional to 973,188.56, 1,459,993.80 and 547,148

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Solution

The fourth proportional to 973,188.56, 1,459,993.80 and 547,148 is: 820,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,188.56 : 1,459,993.80 = 547,148 : x
  2. Step 2: Convert to fraction form
    973,188.56/1,459,993.80 = 547,148/x
  3. Step 3: Cross multiply
    973,188.56x = 1,459,993.80 × 547,148
  4. Step 4: Simplify right side
    973,188.56x = 798,832,687,682.40
  5. Step 5: Solve for x
    x = 798,832,687,682.40/973,188.56
  6. Step 6: Final answer
    x = 820,840.61

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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.