Home / 877,515.75-1,316,273.63-212,667.75

Finding the Fourth Proportional to 877,515.75, 1,316,273.63 and 212,667.75

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Solution

The fourth proportional to 877,515.75, 1,316,273.63 and 212,667.75 is: 319,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,515.75 : 1,316,273.63 = 212,667.75 : x
  2. Step 2: Convert to fraction form
    877,515.75/1,316,273.63 = 212,667.75/x
  3. Step 3: Cross multiply
    877,515.75x = 1,316,273.63 × 212,667.75
  4. Step 4: Simplify right side
    877,515.75x = 279,928,951,276.43
  5. Step 5: Solve for x
    x = 279,928,951,276.43/877,515.75
  6. Step 6: Final answer
    x = 319,001.63

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1.5x scale

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.