Home / 950,638.36-1,311,858.30-520,897.72

Finding the Fourth Proportional to 950,638.36, 1,311,858.30 and 520,897.72

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Solution

The fourth proportional to 950,638.36, 1,311,858.30 and 520,897.72 is: 718,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,638.36 : 1,311,858.30 = 520,897.72 : x
  2. Step 2: Convert to fraction form
    950,638.36/1,311,858.30 = 520,897.72/x
  3. Step 3: Cross multiply
    950,638.36x = 1,311,858.30 × 520,897.72
  4. Step 4: Simplify right side
    950,638.36x = 683,343,997,433.08
  5. Step 5: Solve for x
    x = 683,343,997,433.08/950,638.36
  6. Step 6: Final answer
    x = 718,826.45

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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.