Home / 899,203.63-1,349,471.19-425,890.39

Finding the Fourth Proportional to 899,203.63, 1,349,471.19 and 425,890.39

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Solution

The fourth proportional to 899,203.63, 1,349,471.19 and 425,890.39 is: 639,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,203.63 : 1,349,471.19 = 425,890.39 : x
  2. Step 2: Convert to fraction form
    899,203.63/1,349,471.19 = 425,890.39/x
  3. Step 3: Cross multiply
    899,203.63x = 1,349,471.19 × 425,890.39
  4. Step 4: Simplify right side
    899,203.63x = 574,726,804,655.51
  5. Step 5: Solve for x
    x = 574,726,804,655.51/899,203.63
  6. Step 6: Final answer
    x = 639,150.90

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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.