Home / 746,903.55-1,118,879.10-409,340.10

Finding the Fourth Proportional to 746,903.55, 1,118,879.10 and 409,340.10

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Solution

The fourth proportional to 746,903.55, 1,118,879.10 and 409,340.10 is: 613,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,903.55 : 1,118,879.10 = 409,340.10 : x
  2. Step 2: Convert to fraction form
    746,903.55/1,118,879.10 = 409,340.10/x
  3. Step 3: Cross multiply
    746,903.55x = 1,118,879.10 × 409,340.10
  4. Step 4: Simplify right side
    746,903.55x = 458,002,082,681.91
  5. Step 5: Solve for x
    x = 458,002,082,681.91/746,903.55
  6. Step 6: Final answer
    x = 613,201.11

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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.