Home / 825,260.81-1,139,062.50-503,148.51

Finding the Fourth Proportional to 825,260.81, 1,139,062.50 and 503,148.51

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Solution

The fourth proportional to 825,260.81, 1,139,062.50 and 503,148.51 is: 694,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,260.81 : 1,139,062.50 = 503,148.51 : x
  2. Step 2: Convert to fraction form
    825,260.81/1,139,062.50 = 503,148.51/x
  3. Step 3: Cross multiply
    825,260.81x = 1,139,062.50 × 503,148.51
  4. Step 4: Simplify right side
    825,260.81x = 573,117,599,671.88
  5. Step 5: Solve for x
    x = 573,117,599,671.88/825,260.81
  6. Step 6: Final answer
    x = 694,468.46

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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.