Home / 834,885.28-1,252,509.36-273,898.72

Finding the Fourth Proportional to 834,885.28, 1,252,509.36 and 273,898.72

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Solution

The fourth proportional to 834,885.28, 1,252,509.36 and 273,898.72 is: 410,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,885.28 : 1,252,509.36 = 273,898.72 : x
  2. Step 2: Convert to fraction form
    834,885.28/1,252,509.36 = 273,898.72/x
  3. Step 3: Cross multiply
    834,885.28x = 1,252,509.36 × 273,898.72
  4. Step 4: Simplify right side
    834,885.28x = 343,060,710,492.02
  5. Step 5: Solve for x
    x = 343,060,710,492.02/834,885.28
  6. Step 6: Final answer
    x = 410,907.60

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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.