Home / 618,027.20-926,895.60-348,272.90

Finding the Fourth Proportional to 618,027.20, 926,895.60 and 348,272.90

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Solution

The fourth proportional to 618,027.20, 926,895.60 and 348,272.90 is: 522,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,027.20 : 926,895.60 = 348,272.90 : x
  2. Step 2: Convert to fraction form
    618,027.20/926,895.60 = 348,272.90/x
  3. Step 3: Cross multiply
    618,027.20x = 926,895.60 × 348,272.90
  4. Step 4: Simplify right side
    618,027.20x = 322,812,613,974.76
  5. Step 5: Solve for x
    x = 322,812,613,974.76/618,027.20
  6. Step 6: Final answer
    x = 522,327.52

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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.