Home / 1,005,895.41-1,508,695.43-331,998.77

Finding the Fourth Proportional to 1,005,895.41, 1,508,695.43 and 331,998.77

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Solution

The fourth proportional to 1,005,895.41, 1,508,695.43 and 331,998.77 is: 497,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,895.41 : 1,508,695.43 = 331,998.77 : x
  2. Step 2: Convert to fraction form
    1,005,895.41/1,508,695.43 = 331,998.77/x
  3. Step 3: Cross multiply
    1,005,895.41x = 1,508,695.43 × 331,998.77
  4. Step 4: Simplify right side
    1,005,895.41x = 500,885,017,861.15
  5. Step 5: Solve for x
    x = 500,885,017,861.15/1,005,895.41
  6. Step 6: Final answer
    x = 497,949.40

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Double scale
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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.