Home / 670,467.68-1,005,037.20-314,845.10

Finding the Fourth Proportional to 670,467.68, 1,005,037.20 and 314,845.10

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Solution

The fourth proportional to 670,467.68, 1,005,037.20 and 314,845.10 is: 471,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,467.68 : 1,005,037.20 = 314,845.10 : x
  2. Step 2: Convert to fraction form
    670,467.68/1,005,037.20 = 314,845.10/x
  3. Step 3: Cross multiply
    670,467.68x = 1,005,037.20 × 314,845.10
  4. Step 4: Simplify right side
    670,467.68x = 316,431,037,737.72
  5. Step 5: Solve for x
    x = 316,431,037,737.72/670,467.68
  6. Step 6: Final answer
    x = 471,955.69

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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.