Home / 699,085.47-1,046,372.81-361,661.46

Finding the Fourth Proportional to 699,085.47, 1,046,372.81 and 361,661.46

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Solution

The fourth proportional to 699,085.47, 1,046,372.81 and 361,661.46 is: 541,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,085.47 : 1,046,372.81 = 361,661.46 : x
  2. Step 2: Convert to fraction form
    699,085.47/1,046,372.81 = 361,661.46/x
  3. Step 3: Cross multiply
    699,085.47x = 1,046,372.81 × 361,661.46
  4. Step 4: Simplify right side
    699,085.47x = 378,432,716,360.60
  5. Step 5: Solve for x
    x = 378,432,716,360.60/699,085.47
  6. Step 6: Final answer
    x = 541,325.39

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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.