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Finding the Fourth Proportional to 603,173.18, 832,392.94 and 345,074.36

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Solution

The fourth proportional to 603,173.18, 832,392.94 and 345,074.36 is: 476,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,173.18 : 832,392.94 = 345,074.36 : x
  2. Step 2: Convert to fraction form
    603,173.18/832,392.94 = 345,074.36/x
  3. Step 3: Cross multiply
    603,173.18x = 832,392.94 × 345,074.36
  4. Step 4: Simplify right side
    603,173.18x = 287,237,461,039.02
  5. Step 5: Solve for x
    x = 287,237,461,039.02/603,173.18
  6. Step 6: Final answer
    x = 476,210.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.