Home / 880,747.28-1,320,782.88-374,987.60

Finding the Fourth Proportional to 880,747.28, 1,320,782.88 and 374,987.60

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Solution

The fourth proportional to 880,747.28, 1,320,782.88 and 374,987.60 is: 562,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,747.28 : 1,320,782.88 = 374,987.60 : x
  2. Step 2: Convert to fraction form
    880,747.28/1,320,782.88 = 374,987.60/x
  3. Step 3: Cross multiply
    880,747.28x = 1,320,782.88 × 374,987.60
  4. Step 4: Simplify right side
    880,747.28x = 495,277,202,292.29
  5. Step 5: Solve for x
    x = 495,277,202,292.29/880,747.28
  6. Step 6: Final answer
    x = 562,337.48

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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.