Home / 734,908.32-1,014,139.20-408,242.50

Finding the Fourth Proportional to 734,908.32, 1,014,139.20 and 408,242.50

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Solution

The fourth proportional to 734,908.32, 1,014,139.20 and 408,242.50 is: 563,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,908.32 : 1,014,139.20 = 408,242.50 : x
  2. Step 2: Convert to fraction form
    734,908.32/1,014,139.20 = 408,242.50/x
  3. Step 3: Cross multiply
    734,908.32x = 1,014,139.20 × 408,242.50
  4. Step 4: Simplify right side
    734,908.32x = 414,014,722,356
  5. Step 5: Solve for x
    x = 414,014,722,356/734,908.32
  6. Step 6: Final answer
    x = 563,355.61

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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.