Home / 753,911.83-1,129,243.65-353,953.27

Finding the Fourth Proportional to 753,911.83, 1,129,243.65 and 353,953.27

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Solution

The fourth proportional to 753,911.83, 1,129,243.65 and 353,953.27 is: 530,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,911.83 : 1,129,243.65 = 353,953.27 : x
  2. Step 2: Convert to fraction form
    753,911.83/1,129,243.65 = 353,953.27/x
  3. Step 3: Cross multiply
    753,911.83x = 1,129,243.65 × 353,953.27
  4. Step 4: Simplify right side
    753,911.83x = 399,699,482,544.24
  5. Step 5: Solve for x
    x = 399,699,482,544.24/753,911.83
  6. Step 6: Final answer
    x = 530,167.41

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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.