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Finding the Fourth Proportional to 825,337.60, 1,237,833.60 and 404,915.20

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Solution

The fourth proportional to 825,337.60, 1,237,833.60 and 404,915.20 is: 607,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,337.60 : 1,237,833.60 = 404,915.20 : x
  2. Step 2: Convert to fraction form
    825,337.60/1,237,833.60 = 404,915.20/x
  3. Step 3: Cross multiply
    825,337.60x = 1,237,833.60 × 404,915.20
  4. Step 4: Simplify right side
    825,337.60x = 501,217,639,710.72
  5. Step 5: Solve for x
    x = 501,217,639,710.72/825,337.60
  6. Step 6: Final answer
    x = 607,288.02

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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.