Home / 951,208.68-1,312,667.66-521,479.59

Finding the Fourth Proportional to 951,208.68, 1,312,667.66 and 521,479.59

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Solution

The fourth proportional to 951,208.68, 1,312,667.66 and 521,479.59 is: 719,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,208.68 : 1,312,667.66 = 521,479.59 : x
  2. Step 2: Convert to fraction form
    951,208.68/1,312,667.66 = 521,479.59/x
  3. Step 3: Cross multiply
    951,208.68x = 1,312,667.66 × 521,479.59
  4. Step 4: Simplify right side
    951,208.68x = 684,529,390,535.66
  5. Step 5: Solve for x
    x = 684,529,390,535.66/951,208.68
  6. Step 6: Final answer
    x = 719,641.66

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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.