Home / 786,775.26-1,085,748.26-442,611.41

Finding the Fourth Proportional to 786,775.26, 1,085,748.26 and 442,611.41

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Solution

The fourth proportional to 786,775.26, 1,085,748.26 and 442,611.41 is: 610,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,775.26 : 1,085,748.26 = 442,611.41 : x
  2. Step 2: Convert to fraction form
    786,775.26/1,085,748.26 = 442,611.41/x
  3. Step 3: Cross multiply
    786,775.26x = 1,085,748.26 × 442,611.41
  4. Step 4: Simplify right side
    786,775.26x = 480,564,563,941.43
  5. Step 5: Solve for x
    x = 480,564,563,941.43/786,775.26
  6. Step 6: Final answer
    x = 610,802.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.