Home / 490,048.95-734,629.53-340,359.87

Finding the Fourth Proportional to 490,048.95, 734,629.53 and 340,359.87

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Solution

The fourth proportional to 490,048.95, 734,629.53 and 340,359.87 is: 510,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,048.95 : 734,629.53 = 340,359.87 : x
  2. Step 2: Convert to fraction form
    490,048.95/734,629.53 = 340,359.87/x
  3. Step 3: Cross multiply
    490,048.95x = 734,629.53 × 340,359.87
  4. Step 4: Simplify right side
    490,048.95x = 250,038,411,328.96
  5. Step 5: Solve for x
    x = 250,038,411,328.96/490,048.95
  6. Step 6: Final answer
    x = 510,231.50

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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.