Home / 986,880.11-1,480,373.01-313,012.55

Finding the Fourth Proportional to 986,880.11, 1,480,373.01 and 313,012.55

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Solution

The fourth proportional to 986,880.11, 1,480,373.01 and 313,012.55 is: 469,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,880.11 : 1,480,373.01 = 313,012.55 : x
  2. Step 2: Convert to fraction form
    986,880.11/1,480,373.01 = 313,012.55/x
  3. Step 3: Cross multiply
    986,880.11x = 1,480,373.01 × 313,012.55
  4. Step 4: Simplify right side
    986,880.11x = 463,375,334,512.21
  5. Step 5: Solve for x
    x = 463,375,334,512.21/986,880.11
  6. Step 6: Final answer
    x = 469,535.59

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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.