Home / 346,581.96-518,690.04-290,485.44

Finding the Fourth Proportional to 346,581.96, 518,690.04 and 290,485.44

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Solution

The fourth proportional to 346,581.96, 518,690.04 and 290,485.44 is: 434,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,581.96 : 518,690.04 = 290,485.44 : x
  2. Step 2: Convert to fraction form
    346,581.96/518,690.04 = 290,485.44/x
  3. Step 3: Cross multiply
    346,581.96x = 518,690.04 × 290,485.44
  4. Step 4: Simplify right side
    346,581.96x = 150,671,904,493.02
  5. Step 5: Solve for x
    x = 150,671,904,493.02/346,581.96
  6. Step 6: Final answer
    x = 434,736.72

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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.