Home / 825,379.36-1,139,225.92-503,266.88

Finding the Fourth Proportional to 825,379.36, 1,139,225.92 and 503,266.88

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Solution

The fourth proportional to 825,379.36, 1,139,225.92 and 503,266.88 is: 694,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,379.36 : 1,139,225.92 = 503,266.88 : x
  2. Step 2: Convert to fraction form
    825,379.36/1,139,225.92 = 503,266.88/x
  3. Step 3: Cross multiply
    825,379.36x = 1,139,225.92 × 503,266.88
  4. Step 4: Simplify right side
    825,379.36x = 573,334,674,373.53
  5. Step 5: Solve for x
    x = 573,334,674,373.53/825,379.36
  6. Step 6: Final answer
    x = 694,631.71

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1.5x scale

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.