Home / 492,467.10-738,724.95-256,271.10

Finding the Fourth Proportional to 492,467.10, 738,724.95 and 256,271.10

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Solution

The fourth proportional to 492,467.10, 738,724.95 and 256,271.10 is: 384,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,467.10 : 738,724.95 = 256,271.10 : x
  2. Step 2: Convert to fraction form
    492,467.10/738,724.95 = 256,271.10/x
  3. Step 3: Cross multiply
    492,467.10x = 738,724.95 × 256,271.10
  4. Step 4: Simplify right side
    492,467.10x = 189,313,855,533.95
  5. Step 5: Solve for x
    x = 189,313,855,533.95/492,467.10
  6. Step 6: Final answer
    x = 384,419.30

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1.5x scale

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.