Home / 971,450.60-1,457,298.12-521,553.20

Finding the Fourth Proportional to 971,450.60, 1,457,298.12 and 521,553.20

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Solution

The fourth proportional to 971,450.60, 1,457,298.12 and 521,553.20 is: 782,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,450.60 : 1,457,298.12 = 521,553.20 : x
  2. Step 2: Convert to fraction form
    971,450.60/1,457,298.12 = 521,553.20/x
  3. Step 3: Cross multiply
    971,450.60x = 1,457,298.12 × 521,553.20
  4. Step 4: Simplify right side
    971,450.60x = 760,058,497,839.98
  5. Step 5: Solve for x
    x = 760,058,497,839.98/971,450.60
  6. Step 6: Final answer
    x = 782,395.42

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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.