Home / 879,381.64-1,318,873.20-446,660.47

Finding the Fourth Proportional to 879,381.64, 1,318,873.20 and 446,660.47

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Solution

The fourth proportional to 879,381.64, 1,318,873.20 and 446,660.47 is: 669,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,381.64 : 1,318,873.20 = 446,660.47 : x
  2. Step 2: Convert to fraction form
    879,381.64/1,318,873.20 = 446,660.47/x
  3. Step 3: Cross multiply
    879,381.64x = 1,318,873.20 × 446,660.47
  4. Step 4: Simplify right side
    879,381.64x = 589,088,523,382.40
  5. Step 5: Solve for x
    x = 589,088,523,382.40/879,381.64
  6. Step 6: Final answer
    x = 669,889.50

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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.