Home / 735,129.10-1,102,110.45-402,705.10

Finding the Fourth Proportional to 735,129.10, 1,102,110.45 and 402,705.10

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Solution

The fourth proportional to 735,129.10, 1,102,110.45 and 402,705.10 is: 603,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,129.10 : 1,102,110.45 = 402,705.10 : x
  2. Step 2: Convert to fraction form
    735,129.10/1,102,110.45 = 402,705.10/x
  3. Step 3: Cross multiply
    735,129.10x = 1,102,110.45 × 402,705.10
  4. Step 4: Simplify right side
    735,129.10x = 443,825,498,978.30
  5. Step 5: Solve for x
    x = 443,825,498,978.30/735,129.10
  6. Step 6: Final answer
    x = 603,738.17

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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.