Home / 951,416.48-1,426,125.72-320,111.12

Finding the Fourth Proportional to 951,416.48, 1,426,125.72 and 320,111.12

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Solution

The fourth proportional to 951,416.48, 1,426,125.72 and 320,111.12 is: 479,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,416.48 : 1,426,125.72 = 320,111.12 : x
  2. Step 2: Convert to fraction form
    951,416.48/1,426,125.72 = 320,111.12/x
  3. Step 3: Cross multiply
    951,416.48x = 1,426,125.72 × 320,111.12
  4. Step 4: Simplify right side
    951,416.48x = 456,518,701,490.01
  5. Step 5: Solve for x
    x = 456,518,701,490.01/951,416.48
  6. Step 6: Final answer
    x = 479,830.56

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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.