Home / 877,014.82-1,315,293.88-371,315.50

Finding the Fourth Proportional to 877,014.82, 1,315,293.88 and 371,315.50

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Solution

The fourth proportional to 877,014.82, 1,315,293.88 and 371,315.50 is: 556,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,014.82 : 1,315,293.88 = 371,315.50 : x
  2. Step 2: Convert to fraction form
    877,014.82/1,315,293.88 = 371,315.50/x
  3. Step 3: Cross multiply
    877,014.82x = 1,315,293.88 × 371,315.50
  4. Step 4: Simplify right side
    877,014.82x = 488,389,004,699.14
  5. Step 5: Solve for x
    x = 488,389,004,699.14/877,014.82
  6. Step 6: Final answer
    x = 556,876.57

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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.