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Finding the Fourth Proportional to 567,110.40, 850,665.60 and 286,591.20

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Solution

The fourth proportional to 567,110.40, 850,665.60 and 286,591.20 is: 429,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,110.40 : 850,665.60 = 286,591.20 : x
  2. Step 2: Convert to fraction form
    567,110.40/850,665.60 = 286,591.20/x
  3. Step 3: Cross multiply
    567,110.40x = 850,665.60 × 286,591.20
  4. Step 4: Simplify right side
    567,110.40x = 243,793,275,102.72
  5. Step 5: Solve for x
    x = 243,793,275,102.72/567,110.40
  6. Step 6: Final answer
    x = 429,886.80

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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.