Home / 749,030.85-1,123,829.10-449,720.08

Finding the Fourth Proportional to 749,030.85, 1,123,829.10 and 449,720.08

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Solution

The fourth proportional to 749,030.85, 1,123,829.10 and 449,720.08 is: 674,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,030.85 : 1,123,829.10 = 449,720.08 : x
  2. Step 2: Convert to fraction form
    749,030.85/1,123,829.10 = 449,720.08/x
  3. Step 3: Cross multiply
    749,030.85x = 1,123,829.10 × 449,720.08
  4. Step 4: Simplify right side
    749,030.85x = 505,408,509,948.76
  5. Step 5: Solve for x
    x = 505,408,509,948.76/749,030.85
  6. Step 6: Final answer
    x = 674,749.93

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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.