Home / 723,611.10-1,085,109.45-349,748.70

Finding the Fourth Proportional to 723,611.10, 1,085,109.45 and 349,748.70

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Solution

The fourth proportional to 723,611.10, 1,085,109.45 and 349,748.70 is: 524,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,611.10 : 1,085,109.45 = 349,748.70 : x
  2. Step 2: Convert to fraction form
    723,611.10/1,085,109.45 = 349,748.70/x
  3. Step 3: Cross multiply
    723,611.10x = 1,085,109.45 × 349,748.70
  4. Step 4: Simplify right side
    723,611.10x = 379,515,619,495.22
  5. Step 5: Solve for x
    x = 379,515,619,495.22/723,611.10
  6. Step 6: Final answer
    x = 524,474.57

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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.