Home / 880,748.28-1,320,784.38-374,988.60

Finding the Fourth Proportional to 880,748.28, 1,320,784.38 and 374,988.60

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Solution

The fourth proportional to 880,748.28, 1,320,784.38 and 374,988.60 is: 562,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,748.28 : 1,320,784.38 = 374,988.60 : x
  2. Step 2: Convert to fraction form
    880,748.28/1,320,784.38 = 374,988.60/x
  3. Step 3: Cross multiply
    880,748.28x = 1,320,784.38 × 374,988.60
  4. Step 4: Simplify right side
    880,748.28x = 495,279,085,558.07
  5. Step 5: Solve for x
    x = 495,279,085,558.07/880,748.28
  6. Step 6: Final answer
    x = 562,338.98

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Double scale
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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.