Home / 988,826.58-1,364,542.78-559,115.70

Finding the Fourth Proportional to 988,826.58, 1,364,542.78 and 559,115.70

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Solution

The fourth proportional to 988,826.58, 1,364,542.78 and 559,115.70 is: 771,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,826.58 : 1,364,542.78 = 559,115.70 : x
  2. Step 2: Convert to fraction form
    988,826.58/1,364,542.78 = 559,115.70/x
  3. Step 3: Cross multiply
    988,826.58x = 1,364,542.78 × 559,115.70
  4. Step 4: Simplify right side
    988,826.58x = 762,937,291,619.65
  5. Step 5: Solve for x
    x = 762,937,291,619.65/988,826.58
  6. Step 6: Final answer
    x = 771,558.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.