Home / 527,274.24-727,690.40-300,953.76

Finding the Fourth Proportional to 527,274.24, 727,690.40 and 300,953.76

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Solution

The fourth proportional to 527,274.24, 727,690.40 and 300,953.76 is: 415,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,274.24 : 727,690.40 = 300,953.76 : x
  2. Step 2: Convert to fraction form
    527,274.24/727,690.40 = 300,953.76/x
  3. Step 3: Cross multiply
    527,274.24x = 727,690.40 × 300,953.76
  4. Step 4: Simplify right side
    527,274.24x = 219,001,161,995.90
  5. Step 5: Solve for x
    x = 219,001,161,995.90/527,274.24
  6. Step 6: Final answer
    x = 415,345.84

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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.