Home / 905,026.32-1,358,111.70-505,929.06

Finding the Fourth Proportional to 905,026.32, 1,358,111.70 and 505,929.06

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Solution

The fourth proportional to 905,026.32, 1,358,111.70 and 505,929.06 is: 759,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,026.32 : 1,358,111.70 = 505,929.06 : x
  2. Step 2: Convert to fraction form
    905,026.32/1,358,111.70 = 505,929.06/x
  3. Step 3: Cross multiply
    905,026.32x = 1,358,111.70 × 505,929.06
  4. Step 4: Simplify right side
    905,026.32x = 687,108,175,756.00
  5. Step 5: Solve for x
    x = 687,108,175,756.00/905,026.32
  6. Step 6: Final answer
    x = 759,213.47

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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.