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Finding the Fourth Proportional to 404,699.80, 607,049.70 and 298,411.60

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Solution

The fourth proportional to 404,699.80, 607,049.70 and 298,411.60 is: 447,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,699.80 : 607,049.70 = 298,411.60 : x
  2. Step 2: Convert to fraction form
    404,699.80/607,049.70 = 298,411.60/x
  3. Step 3: Cross multiply
    404,699.80x = 607,049.70 × 298,411.60
  4. Step 4: Simplify right side
    404,699.80x = 181,150,672,256.52
  5. Step 5: Solve for x
    x = 181,150,672,256.52/404,699.80
  6. Step 6: Final answer
    x = 447,617.40

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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.