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Finding the Fourth Proportional to 459,075.60, 688,613.40 and 449,234.10

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Solution

The fourth proportional to 459,075.60, 688,613.40 and 449,234.10 is: 673,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,075.60 : 688,613.40 = 449,234.10 : x
  2. Step 2: Convert to fraction form
    459,075.60/688,613.40 = 449,234.10/x
  3. Step 3: Cross multiply
    459,075.60x = 688,613.40 × 449,234.10
  4. Step 4: Simplify right side
    459,075.60x = 309,348,620,996.94
  5. Step 5: Solve for x
    x = 309,348,620,996.94/459,075.60
  6. Step 6: Final answer
    x = 673,851.15

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Similar ratio
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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.