Home / 802,355.85-1,203,242.18-402,863.85

Finding the Fourth Proportional to 802,355.85, 1,203,242.18 and 402,863.85

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Solution

The fourth proportional to 802,355.85, 1,203,242.18 and 402,863.85 is: 604,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,355.85 : 1,203,242.18 = 402,863.85 : x
  2. Step 2: Convert to fraction form
    802,355.85/1,203,242.18 = 402,863.85/x
  3. Step 3: Cross multiply
    802,355.85x = 1,203,242.18 × 402,863.85
  4. Step 4: Simplify right side
    802,355.85x = 484,742,775,102.87
  5. Step 5: Solve for x
    x = 484,742,775,102.87/802,355.85
  6. Step 6: Final answer
    x = 604,149.36

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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.