Home / 879,193.71-1,318,776.03-280,146.74

Finding the Fourth Proportional to 879,193.71, 1,318,776.03 and 280,146.74

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Solution

The fourth proportional to 879,193.71, 1,318,776.03 and 280,146.74 is: 420,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,193.71 : 1,318,776.03 = 280,146.74 : x
  2. Step 2: Convert to fraction form
    879,193.71/1,318,776.03 = 280,146.74/x
  3. Step 3: Cross multiply
    879,193.71x = 1,318,776.03 × 280,146.74
  4. Step 4: Simplify right side
    879,193.71x = 369,450,799,000.76
  5. Step 5: Solve for x
    x = 369,450,799,000.76/879,193.71
  6. Step 6: Final answer
    x = 420,215.47

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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.