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Finding the Fourth Proportional to 971,627, 1,457,627.31 and 372,541.43

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Solution

The fourth proportional to 971,627, 1,457,627.31 and 372,541.43 is: 558,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,627 : 1,457,627.31 = 372,541.43 : x
  2. Step 2: Convert to fraction form
    971,627/1,457,627.31 = 372,541.43/x
  3. Step 3: Cross multiply
    971,627x = 1,457,627.31 × 372,541.43
  4. Step 4: Simplify right side
    971,627x = 543,026,562,474.45
  5. Step 5: Solve for x
    x = 543,026,562,474.45/971,627
  6. Step 6: Final answer
    x = 558,883.77

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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.