Home / 825,278.32-1,139,086.65-503,166.01

Finding the Fourth Proportional to 825,278.32, 1,139,086.65 and 503,166.01

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Solution

The fourth proportional to 825,278.32, 1,139,086.65 and 503,166.01 is: 694,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,278.32 : 1,139,086.65 = 503,166.01 : x
  2. Step 2: Convert to fraction form
    825,278.32/1,139,086.65 = 503,166.01/x
  3. Step 3: Cross multiply
    825,278.32x = 1,139,086.65 × 503,166.01
  4. Step 4: Simplify right side
    825,278.32x = 573,149,684,724.77
  5. Step 5: Solve for x
    x = 573,149,684,724.77/825,278.32
  6. Step 6: Final answer
    x = 694,492.60

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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.