Home / 699,353.09-1,047,640.74-538,872.24

Finding the Fourth Proportional to 699,353.09, 1,047,640.74 and 538,872.24

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Solution

The fourth proportional to 699,353.09, 1,047,640.74 and 538,872.24 is: 807,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,353.09 : 1,047,640.74 = 538,872.24 : x
  2. Step 2: Convert to fraction form
    699,353.09/1,047,640.74 = 538,872.24/x
  3. Step 3: Cross multiply
    699,353.09x = 1,047,640.74 × 538,872.24
  4. Step 4: Simplify right side
    699,353.09x = 564,544,514,186.94
  5. Step 5: Solve for x
    x = 564,544,514,186.94/699,353.09
  6. Step 6: Final answer
    x = 807,238.18

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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.