Home / 885,446.07-1,327,707.94-316,607.91

Finding the Fourth Proportional to 885,446.07, 1,327,707.94 and 316,607.91

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Solution

The fourth proportional to 885,446.07, 1,327,707.94 and 316,607.91 is: 474,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,446.07 : 1,327,707.94 = 316,607.91 : x
  2. Step 2: Convert to fraction form
    885,446.07/1,327,707.94 = 316,607.91/x
  3. Step 3: Cross multiply
    885,446.07x = 1,327,707.94 × 316,607.91
  4. Step 4: Simplify right side
    885,446.07x = 420,362,835,973.81
  5. Step 5: Solve for x
    x = 420,362,835,973.81/885,446.07
  6. Step 6: Final answer
    x = 474,746.97

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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.