Home / 784,574.46-1,175,738.90-446,917.86

Finding the Fourth Proportional to 784,574.46, 1,175,738.90 and 446,917.86

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Solution

The fourth proportional to 784,574.46, 1,175,738.90 and 446,917.86 is: 669,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,574.46 : 1,175,738.90 = 446,917.86 : x
  2. Step 2: Convert to fraction form
    784,574.46/1,175,738.90 = 446,917.86/x
  3. Step 3: Cross multiply
    784,574.46x = 1,175,738.90 × 446,917.86
  4. Step 4: Simplify right side
    784,574.46x = 525,458,710,872.17
  5. Step 5: Solve for x
    x = 525,458,710,872.17/784,574.46
  6. Step 6: Final answer
    x = 669,737.21

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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.