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Finding the Fourth Proportional to 602,692.12, 904,621.50 and 443,258.20

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Solution

The fourth proportional to 602,692.12, 904,621.50 and 443,258.20 is: 665,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,692.12 : 904,621.50 = 443,258.20 : x
  2. Step 2: Convert to fraction form
    602,692.12/904,621.50 = 443,258.20/x
  3. Step 3: Cross multiply
    602,692.12x = 904,621.50 × 443,258.20
  4. Step 4: Simplify right side
    602,692.12x = 400,980,897,771.30
  5. Step 5: Solve for x
    x = 400,980,897,771.30/602,692.12
  6. Step 6: Final answer
    x = 665,316.31

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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.