Home / 880,876.72-1,215,589.58-513,330.41

Finding the Fourth Proportional to 880,876.72, 1,215,589.58 and 513,330.41

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Solution

The fourth proportional to 880,876.72, 1,215,589.58 and 513,330.41 is: 708,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,876.72 : 1,215,589.58 = 513,330.41 : x
  2. Step 2: Convert to fraction form
    880,876.72/1,215,589.58 = 513,330.41/x
  3. Step 3: Cross multiply
    880,876.72x = 1,215,589.58 × 513,330.41
  4. Step 4: Simplify right side
    880,876.72x = 623,999,099,890.44
  5. Step 5: Solve for x
    x = 623,999,099,890.44/880,876.72
  6. Step 6: Final answer
    x = 708,384.14

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1.5x scale

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.