Home / 951,147.39-1,312,583.28-521,430.56

Finding the Fourth Proportional to 951,147.39, 1,312,583.28 and 521,430.56

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Solution

The fourth proportional to 951,147.39, 1,312,583.28 and 521,430.56 is: 719,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,147.39 : 1,312,583.28 = 521,430.56 : x
  2. Step 2: Convert to fraction form
    951,147.39/1,312,583.28 = 521,430.56/x
  3. Step 3: Cross multiply
    951,147.39x = 1,312,583.28 × 521,430.56
  4. Step 4: Simplify right side
    951,147.39x = 684,421,028,174.12
  5. Step 5: Solve for x
    x = 684,421,028,174.12/951,147.39
  6. Step 6: Final answer
    x = 719,574.10

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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.