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Finding the Fourth Proportional to 452,990.40, 679,485.60 and 404,001.60

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Solution

The fourth proportional to 452,990.40, 679,485.60 and 404,001.60 is: 606,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,990.40 : 679,485.60 = 404,001.60 : x
  2. Step 2: Convert to fraction form
    452,990.40/679,485.60 = 404,001.60/x
  3. Step 3: Cross multiply
    452,990.40x = 679,485.60 × 404,001.60
  4. Step 4: Simplify right side
    452,990.40x = 274,513,269,576.96
  5. Step 5: Solve for x
    x = 274,513,269,576.96/452,990.40
  6. Step 6: Final answer
    x = 606,002.40

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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.