Home / 951,223.06-1,312,687.50-521,493.96

Finding the Fourth Proportional to 951,223.06, 1,312,687.50 and 521,493.96

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Solution

The fourth proportional to 951,223.06, 1,312,687.50 and 521,493.96 is: 719,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,223.06 : 1,312,687.50 = 521,493.96 : x
  2. Step 2: Convert to fraction form
    951,223.06/1,312,687.50 = 521,493.96/x
  3. Step 3: Cross multiply
    951,223.06x = 1,312,687.50 × 521,493.96
  4. Step 4: Simplify right side
    951,223.06x = 684,558,602,617.50
  5. Step 5: Solve for x
    x = 684,558,602,617.50/951,223.06
  6. Step 6: Final answer
    x = 719,661.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.