Home / 689,371.32-1,033,000.74-463,897.56

Finding the Fourth Proportional to 689,371.32, 1,033,000.74 and 463,897.56

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Solution

The fourth proportional to 689,371.32, 1,033,000.74 and 463,897.56 is: 695,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,371.32 : 1,033,000.74 = 463,897.56 : x
  2. Step 2: Convert to fraction form
    689,371.32/1,033,000.74 = 463,897.56/x
  3. Step 3: Cross multiply
    689,371.32x = 1,033,000.74 × 463,897.56
  4. Step 4: Simplify right side
    689,371.32x = 479,206,522,764.19
  5. Step 5: Solve for x
    x = 479,206,522,764.19/689,371.32
  6. Step 6: Final answer
    x = 695,135.57

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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.