Home / 874,913.40-1,207,380.24-472,505.40

Finding the Fourth Proportional to 874,913.40, 1,207,380.24 and 472,505.40

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Solution

The fourth proportional to 874,913.40, 1,207,380.24 and 472,505.40 is: 652,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,913.40 : 1,207,380.24 = 472,505.40 : x
  2. Step 2: Convert to fraction form
    874,913.40/1,207,380.24 = 472,505.40/x
  3. Step 3: Cross multiply
    874,913.40x = 1,207,380.24 × 472,505.40
  4. Step 4: Simplify right side
    874,913.40x = 570,493,683,253.30
  5. Step 5: Solve for x
    x = 570,493,683,253.30/874,913.40
  6. Step 6: Final answer
    x = 652,057.32

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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.