Home / 784,576.71-1,175,742.27-446,920.11

Finding the Fourth Proportional to 784,576.71, 1,175,742.27 and 446,920.11

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Solution

The fourth proportional to 784,576.71, 1,175,742.27 and 446,920.11 is: 669,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,576.71 : 1,175,742.27 = 446,920.11 : x
  2. Step 2: Convert to fraction form
    784,576.71/1,175,742.27 = 446,920.11/x
  3. Step 3: Cross multiply
    784,576.71x = 1,175,742.27 × 446,920.11
  4. Step 4: Simplify right side
    784,576.71x = 525,462,864,640.05
  5. Step 5: Solve for x
    x = 525,462,864,640.05/784,576.71
  6. Step 6: Final answer
    x = 669,740.58

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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.