Home / 734,470.14-1,013,576.31-407,788.50

Finding the Fourth Proportional to 734,470.14, 1,013,576.31 and 407,788.50

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Solution

The fourth proportional to 734,470.14, 1,013,576.31 and 407,788.50 is: 562,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,470.14 : 1,013,576.31 = 407,788.50 : x
  2. Step 2: Convert to fraction form
    734,470.14/1,013,576.31 = 407,788.50/x
  3. Step 3: Cross multiply
    734,470.14x = 1,013,576.31 × 407,788.50
  4. Step 4: Simplify right side
    734,470.14x = 413,324,763,090.44
  5. Step 5: Solve for x
    x = 413,324,763,090.44/734,470.14
  6. Step 6: Final answer
    x = 562,752.30

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1.5x scale

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.