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Finding the Fourth Proportional to 605,033.20, 907,549.80 and 463,315.60

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Solution

The fourth proportional to 605,033.20, 907,549.80 and 463,315.60 is: 694,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,033.20 : 907,549.80 = 463,315.60 : x
  2. Step 2: Convert to fraction form
    605,033.20/907,549.80 = 463,315.60/x
  3. Step 3: Cross multiply
    605,033.20x = 907,549.80 × 463,315.60
  4. Step 4: Simplify right side
    605,033.20x = 420,481,980,116.88
  5. Step 5: Solve for x
    x = 420,481,980,116.88/605,033.20
  6. Step 6: Final answer
    x = 694,973.40

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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.