Home / 689,284.32-1,033,927.02-216,006.54

Finding the Fourth Proportional to 689,284.32, 1,033,927.02 and 216,006.54

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Solution

The fourth proportional to 689,284.32, 1,033,927.02 and 216,006.54 is: 324,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,284.32 : 1,033,927.02 = 216,006.54 : x
  2. Step 2: Convert to fraction form
    689,284.32/1,033,927.02 = 216,006.54/x
  3. Step 3: Cross multiply
    689,284.32x = 1,033,927.02 × 216,006.54
  4. Step 4: Simplify right side
    689,284.32x = 223,334,998,202.71
  5. Step 5: Solve for x
    x = 223,334,998,202.71/689,284.32
  6. Step 6: Final answer
    x = 324,009.98

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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.