Home / 718,253.60-1,077,697.76-376,615.44

Finding the Fourth Proportional to 718,253.60, 1,077,697.76 and 376,615.44

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Solution

The fourth proportional to 718,253.60, 1,077,697.76 and 376,615.44 is: 565,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,253.60 : 1,077,697.76 = 376,615.44 : x
  2. Step 2: Convert to fraction form
    718,253.60/1,077,697.76 = 376,615.44/x
  3. Step 3: Cross multiply
    718,253.60x = 1,077,697.76 × 376,615.44
  4. Step 4: Simplify right side
    718,253.60x = 405,877,616,304.80
  5. Step 5: Solve for x
    x = 405,877,616,304.80/718,253.60
  6. Step 6: Final answer
    x = 565,089.57

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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.