Home / 718,580.94-1,077,881.67-344,516.46

Finding the Fourth Proportional to 718,580.94, 1,077,881.67 and 344,516.46

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Solution

The fourth proportional to 718,580.94, 1,077,881.67 and 344,516.46 is: 516,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,580.94 : 1,077,881.67 = 344,516.46 : x
  2. Step 2: Convert to fraction form
    718,580.94/1,077,881.67 = 344,516.46/x
  3. Step 3: Cross multiply
    718,580.94x = 1,077,881.67 × 344,516.46
  4. Step 4: Simplify right side
    718,580.94x = 371,347,977,247.29
  5. Step 5: Solve for x
    x = 371,347,977,247.29/718,580.94
  6. Step 6: Final answer
    x = 516,779.61

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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.