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Finding the Fourth Proportional to 441,420.85, 662,126.58 and 292,328.20

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Solution

The fourth proportional to 441,420.85, 662,126.58 and 292,328.20 is: 438,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,420.85 : 662,126.58 = 292,328.20 : x
  2. Step 2: Convert to fraction form
    441,420.85/662,126.58 = 292,328.20/x
  3. Step 3: Cross multiply
    441,420.85x = 662,126.58 × 292,328.20
  4. Step 4: Simplify right side
    441,420.85x = 193,558,271,303.56
  5. Step 5: Solve for x
    x = 193,558,271,303.56/441,420.85
  6. Step 6: Final answer
    x = 438,489.19

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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.