Home / 744,600.30-1,116,900.45-461,165.10

Finding the Fourth Proportional to 744,600.30, 1,116,900.45 and 461,165.10

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Solution

The fourth proportional to 744,600.30, 1,116,900.45 and 461,165.10 is: 691,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,600.30 : 1,116,900.45 = 461,165.10 : x
  2. Step 2: Convert to fraction form
    744,600.30/1,116,900.45 = 461,165.10/x
  3. Step 3: Cross multiply
    744,600.30x = 1,116,900.45 × 461,165.10
  4. Step 4: Simplify right side
    744,600.30x = 515,075,507,714.30
  5. Step 5: Solve for x
    x = 515,075,507,714.30/744,600.30
  6. Step 6: Final answer
    x = 691,747.65

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Double scale
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Similar ratio
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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.