Home / 756,802.40-1,044,395.49-412,635.50

Finding the Fourth Proportional to 756,802.40, 1,044,395.49 and 412,635.50

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Solution

The fourth proportional to 756,802.40, 1,044,395.49 and 412,635.50 is: 569,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,802.40 : 1,044,395.49 = 412,635.50 : x
  2. Step 2: Convert to fraction form
    756,802.40/1,044,395.49 = 412,635.50/x
  3. Step 3: Cross multiply
    756,802.40x = 1,044,395.49 × 412,635.50
  4. Step 4: Simplify right side
    756,802.40x = 430,954,655,213.90
  5. Step 5: Solve for x
    x = 430,954,655,213.90/756,802.40
  6. Step 6: Final answer
    x = 569,441.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.