Home / 755,063.10-1,132,989.53-305,831.43

Finding the Fourth Proportional to 755,063.10, 1,132,989.53 and 305,831.43

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Solution

The fourth proportional to 755,063.10, 1,132,989.53 and 305,831.43 is: 458,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,063.10 : 1,132,989.53 = 305,831.43 : x
  2. Step 2: Convert to fraction form
    755,063.10/1,132,989.53 = 305,831.43/x
  3. Step 3: Cross multiply
    755,063.10x = 1,132,989.53 × 305,831.43
  4. Step 4: Simplify right side
    755,063.10x = 346,503,806,605.77
  5. Step 5: Solve for x
    x = 346,503,806,605.77/755,063.10
  6. Step 6: Final answer
    x = 458,907.09

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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.