Home / 749,000.84-1,123,784.24-449,690.22

Finding the Fourth Proportional to 749,000.84, 1,123,784.24 and 449,690.22

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Solution

The fourth proportional to 749,000.84, 1,123,784.24 and 449,690.22 is: 674,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,000.84 : 1,123,784.24 = 449,690.22 : x
  2. Step 2: Convert to fraction form
    749,000.84/1,123,784.24 = 449,690.22/x
  3. Step 3: Cross multiply
    749,000.84x = 1,123,784.24 × 449,690.22
  4. Step 4: Simplify right side
    749,000.84x = 505,354,779,869.68
  5. Step 5: Solve for x
    x = 505,354,779,869.68/749,000.84
  6. Step 6: Final answer
    x = 674,705.23

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Double scale
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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.