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Finding the Fourth Proportional to 341,520.90, 478,829.10 and 341,520.90

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Solution

The fourth proportional to 341,520.90, 478,829.10 and 341,520.90 is: 478,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,520.90 : 478,829.10 = 341,520.90 : x
  2. Step 2: Convert to fraction form
    341,520.90/478,829.10 = 341,520.90/x
  3. Step 3: Cross multiply
    341,520.90x = 478,829.10 × 341,520.90
  4. Step 4: Simplify right side
    341,520.90x = 163,530,145,178.19
  5. Step 5: Solve for x
    x = 163,530,145,178.19/341,520.90
  6. Step 6: Final answer
    x = 478,829.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.