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Finding the Fourth Proportional to 613,445.40, 846,563.40 and 341,525.16

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Solution

The fourth proportional to 613,445.40, 846,563.40 and 341,525.16 is: 471,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,445.40 : 846,563.40 = 341,525.16 : x
  2. Step 2: Convert to fraction form
    613,445.40/846,563.40 = 341,525.16/x
  3. Step 3: Cross multiply
    613,445.40x = 846,563.40 × 341,525.16
  4. Step 4: Simplify right side
    613,445.40x = 289,122,700,635.14
  5. Step 5: Solve for x
    x = 289,122,700,635.14/613,445.40
  6. Step 6: Final answer
    x = 471,309.59

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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.