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Finding the Fourth Proportional to 581,630.40, 871,370.40 and 331,569.60

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Solution

The fourth proportional to 581,630.40, 871,370.40 and 331,569.60 is: 496,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,630.40 : 871,370.40 = 331,569.60 : x
  2. Step 2: Convert to fraction form
    581,630.40/871,370.40 = 331,569.60/x
  3. Step 3: Cross multiply
    581,630.40x = 871,370.40 × 331,569.60
  4. Step 4: Simplify right side
    581,630.40x = 288,919,934,979.84
  5. Step 5: Solve for x
    x = 288,919,934,979.84/581,630.40
  6. Step 6: Final answer
    x = 496,741.46

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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.