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Finding the Fourth Proportional to 951,345, 1,312,735.82 and 521,512.02

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Solution

The fourth proportional to 951,345, 1,312,735.82 and 521,512.02 is: 719,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,345 : 1,312,735.82 = 521,512.02 : x
  2. Step 2: Convert to fraction form
    951,345/1,312,735.82 = 521,512.02/x
  3. Step 3: Cross multiply
    951,345x = 1,312,735.82 × 521,512.02
  4. Step 4: Simplify right side
    951,345x = 684,607,506,607.00
  5. Step 5: Solve for x
    x = 684,607,506,607.00/951,345
  6. Step 6: Final answer
    x = 719,620.65

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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.