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Finding the Fourth Proportional to 880,402.40, 1,320,603.60 and 525,233.60

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Solution

The fourth proportional to 880,402.40, 1,320,603.60 and 525,233.60 is: 787,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,402.40 : 1,320,603.60 = 525,233.60 : x
  2. Step 2: Convert to fraction form
    880,402.40/1,320,603.60 = 525,233.60/x
  3. Step 3: Cross multiply
    880,402.40x = 1,320,603.60 × 525,233.60
  4. Step 4: Simplify right side
    880,402.40x = 693,625,383,000.96
  5. Step 5: Solve for x
    x = 693,625,383,000.96/880,402.40
  6. Step 6: Final answer
    x = 787,850.40

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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.